---
title: "Blog on ROAS, POAS and Google Shopping | Product Metrics"
description: "Practical guides on ROAS, POAS and break-even ROAS for Google Shopping and Performance Max. Set targets per product, not per campaign."
canonical: "https://www.productmetrics.io/blog"
pageType: hub
language: en
publisher: "Product Metrics"
dateModified: 2026-11-13
---

> Content index: https://www.productmetrics.io/llms.txt

# Guides to ROAS, POAS and Google Shopping

Practical guides on ROAS, POAS and break-even ROAS for Google Shopping and Performance Max. Set targets per product, not per campaign.

Start here: [What is a good ROAS?](https://www.productmetrics.io/blog/what-is-a-good-roas), [POAS vs ROAS](https://www.productmetrics.io/blog/poas-vs-roas), [Competitor pricing analysis template](https://www.productmetrics.io/blog/competitor-price-analysis-template), [Google Shopping ads for beginners](https://www.productmetrics.io/blog/google-shopping-ads-beginners-guide) and [Price monitoring software compared](https://www.productmetrics.io/blog/price-monitoring-software-compared).

## Latest posts

- [Google Shopping feed setup: requirements, refresh and fixes](https://www.productmetrics.io/blog/feed-google-shopping): Google Shopping feed setup: the attributes Merchant Center needs, how often to refresh price and stock, a seven-step build and fixes for disapprovals.
- [Ecommerce solution software: types and how to choose](https://www.productmetrics.io/blog/ecommerce-solution-software): Ecommerce solution software compared by type, from storefronts to profit tools, with a scoring rubric and a two-week pilot to run before you buy.
- [Performance Max Campaigns: How They Work and How to Improve](https://www.productmetrics.io/blog/performance-max-campaigns): Performance Max campaigns explained: what Google decides, what you still control, and how to steer budget to profitable products with labels and targets.
- [Product feed management software: 10 options for 2026](https://www.productmetrics.io/blog/product-feed-management-software): Product feed management software compared by job: feed rules, marketplace operations, managed services and product profitability. Choose what to pilot.
- [Campaign Segmentation in Google Shopping - Principles, Pitfalls, and Governance](https://www.productmetrics.io/blog/campaign-segmentation-google-shopping): Campaign segmentation in Google Shopping - principles, pitfalls and governance for Shopping and Performance Max structures that keep enough data to learn.
- [Profit In Practice End-To-End COGS And Margin Integration For Google Shopping](https://www.productmetrics.io/blog/cogs-margin-google-shopping): How to collect COGS per product, model profit per order and send it to Google Ads as the conversion value, so Shopping and Performance Max bid on profit.
- [Custom Label Intelligence: Segment, Bid, and Measure Granularity In Google Shopping](https://www.productmetrics.io/blog/custom-labels-google-shopping): Custom Label Intelligence for Google Shopping: a five-slot label schema, label-level dashboards and an experimentation ladder for Shopping and Performance Max.
- [Data-Driven PMAX: Customer Signals, Listing Optimization, and What’s Next](https://www.productmetrics.io/blog/data-driven-pmax): Data-Driven PMAX: turn first-party customer signals and product data into Performance Max segments, custom labels and asset groups that protect margin.
- [Google Ads Conversion Tracking Integration The End‑to‑End Playbook](https://www.productmetrics.io/blog/google-ads-conversion-tracking): Set up Google Ads conversion tracking end to end: choose an integration path, test the purchase tag and send profit as the conversion value.
- [Conversion Tracking Integration for Google Ads The Complete 2026 Guide](https://www.productmetrics.io/blog/google-ads-conversion-tracking-guide): How to set up Google Ads conversion tracking that sends every purchase straight away, for Shopping and other campaigns: four patterns and a rollout plan.
- [Designing Multi‑Level Performance Dashboards For Segmented Google Ads From Campaigns To SKUs](https://www.productmetrics.io/blog/google-ads-performance-dashboards): Designing Multi‑Level Performance Dashboards For Segmented Google Ads From Campaigns To SKUs: metric ladders, role views and latency tiers for Shopping and PMax
- [Stop Counting Refunds - A Retailer’s Guide To Google Ads Conversion Value Adjustments](https://www.productmetrics.io/blog/google-ads-refund-conversion-adjustments): Retract or restate refunded and cancelled orders with Google Ads conversion adjustments, so ROAS, POAS and Smart Bidding run on the value customers keep.
- [The 2026 Buyer’s Guide to Google Shopping Campaign Segmentation Platforms (US)](https://www.productmetrics.io/blog/google-shopping-segmentation-platforms-us): The 2026 Buyer’s Guide to Google Shopping Campaign Segmentation Platforms: segmentation and SKU-level tracking for US Shopping teams.
- [The Google Shopping Segmentation Playbook For 2026 Frameworks Labels And Structures](https://www.productmetrics.io/blog/google-shopping-segmentation-playbook): A feed-first Google Shopping segmentation playbook: custom labels, three campaign layers and new-customer bidding for Shopping and Performance Max.
- [Where to Buy Google Shopping Segmentation Software With Granular Analytics Pricing Trials And RFP Checklist](https://www.productmetrics.io/blog/google-shopping-segmentation-software-rfp): Where to buy Google Shopping segmentation software with granular analytics: four vendor types, pricing models, trial scope, onboarding and an RFP checklist.
- [Implementing Profit Segmentation In Google Shopping And Performance Max](https://www.productmetrics.io/blog/implement-profit-segmentation-shopping-pmax): Implementing profit segmentation in Google Shopping and Performance Max, step by step: margin bands, custom labels, campaigns and target ROAS.
- [Measuring Profit Segmentation In Google Shopping: Metrics, Tests And The Tools That Make It Work](https://www.productmetrics.io/blog/measure-profit-segmentation-google-shopping): Measuring profit segmentation in Google Shopping: four metric layers, a baseline test and product-level POAS show which segments make money.
- [Operationalizing POAS: Best Practices, Governance, and Analysis](https://www.productmetrics.io/blog/operationalizing-poas): Operationalizing POAS for Google Ads: one profit definition, profit sent to Google Ads and Meta server-side, products segmented on it and a weekly review.
- [Performance Max For New Customers - Setup, Value Rules, And Bidding Uplifts](https://www.productmetrics.io/blog/performance-max-new-customers): Performance Max for new customers - setup, the three NCA modes, how much extra to value a new customer, value rules and campaign structure.
- [PMAX Product Segmentation: A Setup‑to‑Scale Playbook for Google Shopping](https://www.productmetrics.io/blog/pmax-product-segmentation): PMAX Product Segmentation from first setup to scale: feed labels, listing groups, a three-stage model, a 90-day test plan and segment-level metrics.
- [POAS In The Real World Passing Profit, Composing Conversion Value, And Bidding With Confidence](https://www.productmetrics.io/blog/poas-conversion-value-bidding): POAS in the real world passing profit to Google Ads: what to send as conversion value, which costs to include, how to keep margins private and test it.
- [Tracking POAS In Google Ads & Shopping Setup Accuracy And Per-Product Profit](https://www.productmetrics.io/blog/poas-tracking-google-ads): How to send profit as your Google Ads conversion value, check it against your own numbers and use per-product POAS in Shopping and Performance Max.
- [Best POAS Tracking Tools for E‑commerce and Google Ads A Practical Buyer’s Guide](https://www.productmetrics.io/blog/poas-tracking-tools): Compare POAS tracking tools for Google Ads and Shopping: native Google reports, profit apps, attribution platforms and product-level POAS, by business size.
- [The Profit Segmentation Playbook For Google Shopping: From ROAS To POAS](https://www.productmetrics.io/blog/profit-segmentation-google-shopping): The profit segmentation playbook for Google Shopping from ROAS to POAS: group products by margin, break-even ROAS and POAS, then label and test each group.
- [Top Platforms and Tools for Real-Time Google Ads Conversion Tracking [Benchmark Study]](https://www.productmetrics.io/blog/real-time-google-ads-conversion-tracking-tools): Five ways to get real-time Google Ads conversion tracking, compared on latency, completeness, onboarding speed and the signals each one sends.
- [Sale sites on Facebook: 7 places to sell and what they cost](https://www.productmetrics.io/blog/sale-sites-on-facebook): Sale sites on Facebook compared: Marketplace, four kinds of buy-and-sell group, a Page and the Seller app, with fees, listing rules and what to measure.
- [SKU-Level Truth: Tracking Performance by Product, Product Group, and Segment in Google Ads](https://www.productmetrics.io/blog/sku-level-tracking-google-ads): SKU-Level Truth in Google Ads: track Shopping and Performance Max per product, product group and segment, and reconcile Google Ads, GA4 and your warehouse.
- [Gross profit calculator: formula, examples and ad limits](https://www.productmetrics.io/blog/calculator-gross-profit): Gross profit calculator method: net revenue minus COGS, worked examples, margin vs markup, and how each product's margin sets its break-even ROAS.
- [What Is an API Feed? How Product Data Feeds Work](https://www.productmetrics.io/blog/what-is-an-api-feed): What is an API feed? A connection that sends single product records between systems on request. How it differs from a file feed and where it fails.
- [Google Shopping APIs: Merchant API Guide for 2026](https://www.productmetrics.io/blog/google-shopping-apis): Google Shopping APIs in 2026 mean the Merchant API: sub-APIs, setup, product fields, quotas, reporting joins and the Content API shutdown, from Google's docs.
- [D2C brands: 25 ecommerce examples by category](https://www.productmetrics.io/blog/d2c-brands): D2C brands in the US: 25 direct-to-consumer brand examples by category, with what each sells, where else it sells and what its store shows.
- [D2C marketing strategy: a practical plan for ecommerce](https://www.productmetrics.io/blog/d2c-marketing-strategy): D2C marketing strategy for ecommerce: start from contribution margin per product, give each channel one job and test for 90 days before you scale.
- [Merchant Center Feed Rules: Steps, Examples and Fixes](https://www.productmetrics.io/blog/merchant-center-feed-rules): Merchant Center feed rules, now called attribute rules, fix product data while Google processes it. Setup steps, copyable examples, fixes and what to automate.
- [What is nCAC? New customer acquisition cost explained](https://www.productmetrics.io/blog/what-is-ncac): What is nCAC? New customer acquisition cost is acquisition spend ÷ first-time customers. The formula, which costs count, and how it compares with MER and ROAS.
- [Google Ads Campaign Types for Ecommerce: Search, Shopping and PMax](https://www.productmetrics.io/blog/google-ads-campaign-types-ecommerce): Google Ads campaign types for ecommerce: when Search, Standard Shopping or Performance Max fits a product, what benchmarks hide and when to scale.
- [Google Performance Max: What It Is and How It Works](https://www.productmetrics.io/blog/google-performance-max): Google Performance Max explained: how asset groups and signals steer one budget across Google, why campaign ROAS hides losing products, and how to fix it.
- [The 2026 Ecommerce ROAS Optimization Tools Landscape - How Performance Teams Evaluate, Pilot, and Scale](https://www.productmetrics.io/blog/ecommerce-roas-optimization-tools): The 2026 ecommerce ROAS optimization tools landscape - how performance teams evaluate, pilot and scale Google Shopping tools with custom dashboards.
- [Evaluating Product Group Relevance In Google Shopping: Measurement Frameworks, Benchmarks And Tooling](https://www.productmetrics.io/blog/google-shopping-product-group-performance): Evaluating product group relevance in Google Shopping: score each group on structure, performance and intent, benchmark it and decide what to split.
- [How to Build a Google Shopping ROAS Dashboard That Actually Moves Revenue: Templates, Metrics and Workflows](https://www.productmetrics.io/blog/google-shopping-roas-dashboard): How to Build a Google Shopping ROAS Dashboard That Actually Moves Revenue: the metric stack, drilldowns, alerts and experiment log, with templates.
- [The Practical Buyer’s Guide To Google Shopping ROAS Platforms With Customizable Dashboards](https://www.productmetrics.io/blog/google-shopping-roas-dashboard-platforms): The Practical Buyer’s Guide To Google Shopping ROAS Platforms With Customizable Dashboards: demo scripts, a scoring matrix and a security checklist.
- [Best Tools For Google Shopping ROAS Optimization With Customizable Dashboards](https://www.productmetrics.io/blog/google-shopping-roas-dashboard-tools): Six Google Shopping ROAS dashboard tools scored on five criteria: Google Ads native, Product Metrics, Optmyzr, ProfitMetrics, Channable Insights and GoDataFeed.
- [Customizable Reporting For Google Shopping ROAS - Real-Time, Drag-And-Drop, And Personalized Dashboards In ProductMetrics](https://www.productmetrics.io/blog/google-shopping-roas-reporting): Customizable reporting for Google Shopping ROAS - real-time, drag-and-drop and personalised dashboards, built on product segments, labels and POAS.
- [Where to Buy and How to Choose Google Shopping Segmentation Software With Advanced Granularity: A Practical Buyer’s Guide](https://www.productmetrics.io/blog/google-shopping-segmentation-software): Where to Buy and How to Choose Google Shopping Segmentation Software With Advanced Granularity: pricing, a selection checklist and a six-step migration.
- [The Definitive Buyer’s Guide to Google Shopping Segmentation & Granular Performance-Tracking Software (US Market, 2026)](https://www.productmetrics.io/blog/google-shopping-segmentation-tracking-software): The Definitive Buyer’s Guide to Google Shopping Segmentation & Granular Performance‑Tracking Software: compare SKU-level tools and plan the switch.
- [Find Tools That Use Historical Performance to Boost Google Shopping ROAS: Cohorts, Lookbacks, and Attribution Windows](https://www.productmetrics.io/blog/historical-performance-roas-tools): Find Tools That Use Historical Performance to Boost Google Shopping ROAS: six questions on cohorts, lookback and conversion windows for every vendor demo.
- [What Is Server-Side Tracking? How It Works and Its Limits](https://www.productmetrics.io/blog/what-is-server-side-tracking): What is server-side tracking? Your site sends events to a server you control, which checks them and decides what GA4, Google Ads and Meta receive.
- [The 2026 Buyer’s Guide To Google Shopping Campaign Segmentation Platforms (Clarity First)](https://www.productmetrics.io/blog/google-shopping-campaign-segmentation): The 2026 buyer’s guide to Google Shopping campaign segmentation platforms: score each platform type on product, structure, signal and workflow clarity.
- [The Accuracy Benchmark for Google Shopping ROAS: 2026 Vendor Tests, Error Rates, and Methodology](https://www.productmetrics.io/blog/google-shopping-roas-accuracy-benchmark): The accuracy benchmark for Google Shopping ROAS: four metrics every vendor should publish, a replicable 30-day test and illustrative error rates.
- [Google Shopping ROAS Optimization Tools - A Practical 2026 Buyer’s Guide (Features, Pricing, Fit)](https://www.productmetrics.io/blog/google-shopping-roas-optimization-tools): Google Shopping ROAS optimization tools - a practical 2026 buyer’s guide: tools compared by layer, a five-part ROAS accuracy framework and an RFP checklist.
- [The 2026 Buyer’s Guide to Google Shopping Campaign Segmentation Platforms (Product Group Relevance, Performance, and Automation)](https://www.productmetrics.io/blog/google-shopping-segmentation-platforms): The 2026 Buyer’s Guide to Google Shopping Campaign Segmentation Platforms: a test-forward, procurement-ready framework for PPC specialists.
- [Historical ROAS Analysis Playbook for Google Shopping: Trends, Visualization Patterns, and Dashboards](https://www.productmetrics.io/blog/historical-roas-analysis-google-shopping): Historical ROAS Analysis Playbook for Google Shopping: operationalize historical ROAS analysis for Shopping and PMax with data, workflow and dashboards.
- [Product Segmentation Marketing: Six Segments, Six Actions](https://www.productmetrics.io/blog/product-segmentation-marketing): Product segmentation marketing groups every advertised product by ad clicks and ROAS or POAS, so Shopping and Performance Max prioritise the right ones.
- [The Best ROAS Optimization Tools for Google Shopping in 2026 A Comparative Buyer’s Guide](https://www.productmetrics.io/blog/roas-optimization-tools): The best ROAS optimization tools for Google Shopping in 2026, compared on historical performance analysis: Product Metrics, SKU Analyzer, Optmyzr and more.
- [Implementation Playbook: Segmenting Google Shopping by Product Group Relevance Step-by-Step (Rules, Labels, and Scripts)](https://www.productmetrics.io/blog/segment-google-shopping-by-product-group): Implementation playbook for segmenting Google Shopping by product group relevance: a 30-minute audit, a 4-phase rollout, a label schema and a 14-day pilot.
- [Which Segmentation Platform Fits Your Google Shopping Stack? Recommendations and How to Find Adjustable-Granularity Tools](https://www.productmetrics.io/blog/segmentation-platform-google-shopping): Which segmentation platform fits your Google Shopping stack? A decision framework, scenario-based picks and how to spot adjustable-granularity tools.
- [Tool-By-Use-Case: Best Software for Clear Reporting in Shopping/PMax (Small Catalogs, Large Feeds, and Multi-Brand)](https://www.productmetrics.io/blog/shopping-pmax-reporting-software): Tool-by-use-case: the best software for clear reporting in Shopping and Performance Max, for small catalogs, large feeds and multi-brand retailers and agencies.
- [Google Ads Match Types: Broad, Phrase and Exact Compared](https://www.productmetrics.io/blog/google-ads-match-type): Google Ads match types compared: what broad, phrase and exact let through, how close variants work and which one pays at your margin.
- [Google Ads Negative Keywords: Match Types and a Profit Test](https://www.productmetrics.io/blog/google-ads-negative-keywords): Google Ads negative keywords block searches but never their close variants. How each match type works, where lists belong and how to test a batch on profit.
- [How to optimise PPC campaigns: a margin-first playbook](https://www.productmetrics.io/blog/how-to-optimize-ppc-campaigns): How to optimise PPC campaigns in order: fix tracking, set targets from margin, clean up search terms and ads, prioritise products, then test one change.
- [Ecommerce PPC strategy: costs, metrics and product profit](https://www.productmetrics.io/blog/ecommerce-ppc-profitability): Ecommerce PPC strategy by product profit: which campaigns to run, what a click can cost and each product's break-even ROAS in Shopping and Performance Max.
- [Ecommerce profit margins: what is good and how to calculate](https://www.productmetrics.io/blog/ecommerce-profit-margins): Ecommerce profit margins: US online retailers average 39.6% gross, listed retailers about 5% net. What is good, how to calculate it, and break-even ROAS.
- [How to Calculate a Google Ads Budget for Shopping](https://www.productmetrics.io/blog/google-ads-budget-calculator): How to calculate a Google Ads budget for Shopping: convert monthly to daily with 30.4, find the cost per order you can afford, then split it by product.
- [Google Ads optimisation for Shopping and PMax](https://www.productmetrics.io/blog/google-ads-optimize): Optimise Google Ads Shopping and Performance Max in order: fix conversion tracking, structure, bidding, tests, then judge each product by profit.
- [Google Shopping product title optimisation: rules & examples](https://www.productmetrics.io/blog/google-shopping-product-title-optimization): Google Shopping product title optimisation: Google's 1–150 character rules, which details to include, variants, AI titles and a test judged on profit.
- [PPC research: competitors, keywords and the break-even CPC](https://www.productmetrics.io/blog/ppc-research): PPC research in seven steps: find competitors' keywords and ads, check landing pages and work out the break-even CPC, the most a click can cost.
- [Marketing efficiency ratio: how to calculate and use it](https://www.productmetrics.io/blog/marketing-efficiency-ratio): Marketing efficiency ratio (MER) is net revenue ÷ total marketing spend. What counts as spend, break-even and target MER by margin, and budget rules.
- [Ecommerce inventory planning: replenish, hold or promote](https://www.productmetrics.io/blog/ecommerce-inventory-planning): Ecommerce inventory planning per product: read GMROI, excess capital and revenue at risk together to decide what to replenish, hold, promote or deprioritise.
- [Ecommerce performance analytics: from metrics to SKU actions](https://www.productmetrics.io/blog/ecommerce-performance-analytics): Ecommerce performance analytics measures what each product earns after costs and ads: the metrics, formulas, attribution models and SKU rules to act on.
- [How to calculate stockout cost and revenue at risk](https://www.productmetrics.io/blog/stockout-cost-ecommerce): How to calculate stockout cost and revenue at risk per product: forecast demand until the restock, minus sellable stock, times the price excl. VAT.
- [Google product feed: how it works, IDs, sync and fixes](https://www.productmetrics.io/blog/google-product-feeds): A Google product feed (or Google Shopping feed) sends products to Merchant Center: required attributes, a fixed ID, how often to sync and what to fix first.
- [Ecommerce analytics platforms: 10 tools by decision](https://www.productmetrics.io/blog/ecommerce-analytics-platform): Ecommerce analytics platforms compared by the decision they support: SKU-level Shopping actions, attribution, profit, retention or a shared data foundation.
- [10 server-side tracking tools for ecommerce teams](https://www.productmetrics.io/blog/server-side-tracking-tools): Server-side tracking tools compared: ten providers by job and published pricing, from managed server-side GTM to ecommerce connectors, checked October 2026.
- [Google Merchant Center errors: common issues and fixes](https://www.productmetrics.io/blog/google-merchant-center-errors): Google Merchant Center errors and Google Shopping feed errors by Google's own issue names, with the cause and fix of each and how to trace one to its source.
- [PIM to Google Merchant Center: the product-data workflow](https://www.productmetrics.io/blog/pim-to-google-merchant-center): PIM to Google Merchant Center: map PIM fields to Google's attributes, trace feed errors to their owner and link custom labels to profit, with free worksheets.
- [Google Shopping and PMax campaign structure by profit](https://www.productmetrics.io/blog/product-segmentation-google-shopping-pmax): Google Shopping and PMax campaign structure by profit: when to split, how custom labels select products, and a six-product worked example.
- [Ad campaign names: 8 examples for clearer reporting](https://www.productmetrics.io/blog/ad-campaign-names): Ad campaign names that read at a glance: a campaign naming convention for Google Ads, Shopping and PMax, eight examples and a change record your team can keep.
- [Product journey map for Shopping and Performance Max](https://www.productmetrics.io/blog/product-journey-map): A product journey map for Shopping and Performance Max links the product clicked in an ad to the products bought, and shows the contribution behind it.
- [How do you calculate the break-even point?](https://www.productmetrics.io/blog/how-do-you-calculate-the-break-even-point): How do you calculate the break-even point? Fixed costs ÷ contribution per unit, worked through for ecommerce in units, revenue and break-even ROAS.
- [Google product category: how to choose and map it](https://www.productmetrics.io/blog/google-shopping-category): The Google product category (google_product_category) explained: pick the most specific ID, map it at scale, and keep it apart from product_type and labels.
- [How Google Shopping ads work, from feed to sale](https://www.productmetrics.io/blog/how-google-shopping-ads-work): How Google Shopping ads work: Merchant Center, the campaign, the auction, where ads show and how Google Shopping ads tracking records the click and the sale.
- [Customer Match for Google Shopping: requirements and setup](https://www.productmetrics.io/blog/customer-match-google-shopping): Customer Match for Google Shopping and Performance Max: the requirements, the 100-member rule, CSV and hashing, lifecycle goals and a free profit sheet.
- [Dropshipping ads: Google Ads vs Facebook ads, margin first](https://www.productmetrics.io/blog/dropshipping-ads-google-vs-meta): Dropshipping ads on Google or Facebook: which channel to start with, the most you can pay per click or per 1,000 impressions, tracking and policy checks.
- [Dropshipping break-even ROAS: formula and when to stop](https://www.productmetrics.io/blog/dropshipping-break-even-roas): Dropshipping break-even ROAS and CPA for one product: the formula, a worked example, the most a click can cost and a rule for when to stop an ad.
- [Dropshipping for beginners: costs, risks and a first plan](https://www.productmetrics.io/blog/dropshipping-for-beginners): Dropshipping for beginners: how it works, what it costs to start in the EU, what each order leaves for ads, which rules apply and what to do first.
- [Dropshipping profit margin after ads, refunds and returns](https://www.productmetrics.io/blog/dropshipping-profit-margin-after-returns): Dropshipping profit margin after ads, refunds and returns: vendor margin claims, a 100-order example, EU return rules and break-even ROAS.
- [Google Ads Auction Insights: How to Read and Use It](https://www.productmetrics.io/blog/google-ads-auction-insights): How to download Google Ads auction insights, read impression share, overlap and outranking, and run a competitor analysis with a free tool.
- [Merchant Center suspended for misrepresentation: checklist](https://www.productmetrics.io/blog/google-merchant-center-suspended-misrepresentation): Google Merchant Center suspended for misrepresentation? The violations Google suspends without warning, and a nine-step audit before you request a review.
- [How to Set Up Google Shopping Ads: A Beginner's Guide](https://www.productmetrics.io/blog/google-shopping-ads-beginners-guide): How to set up Google Shopping ads step by step as a beginner, what they cost per click and per day, and how to check whether each product breaks even.
- [Google Shopping Feed Optimization: 12 Practical Fixes](https://www.productmetrics.io/google-shopping-feed/optimization): Google Shopping feed optimization in 12 fixes: price, identifiers, titles, categories, images and labels, prioritised by eligibility and product profit.
- [Shopify dropshipping: how to dropship on Shopify](https://www.productmetrics.io/blog/how-to-dropship-on-shopify): Shopify dropshipping step by step: choose a product and supplier, test checkout, price for margin and work out what you can pay for ads, with EU VAT rules.
- [How to sell on Google Shopping: a practical setup guide](https://www.productmetrics.io/blog/selling-on-google-shopping): How to sell on Google Shopping: set up Merchant Center, check the feed against checkout, and work out what you can afford to spend on each sale.
- [Break-even ROAS per product: why one target hides losses](https://www.productmetrics.io/blog/break-even-roas-per-product): Break-even ROAS per product = 1 ÷ contribution margin. How one account-wide ROAS target funds loss-making products, with a three-product example.
- [Competitive pricing examples: 9 real companies, sourced](https://www.productmetrics.io/blog/competitive-pricing-examples): Competitive pricing examples from Tesco, Currys, Aldi, Costco, Amazon and Delta, plus a worked trainer example: when to price above, at or below the median.
- [Competitor pricing analysis template: Excel + Google Sheets](https://www.productmetrics.io/blog/competitor-price-analysis-template): Free competitor pricing analysis template for Excel and Google Sheets: compare up to five competitor prices per product, with price index, margin and history.
- [Customer acquisition cost formula for ecommerce](https://www.productmetrics.io/blog/customer-acquisition-cost-formula): The customer acquisition cost formula for ecommerce: ad spend ÷ new customers. A worked example, Google's definition and the most you can pay for a first order.
- [Dead stock inventory: what it is and how to get rid of it](https://www.productmetrics.io/blog/dead-stock-inventory): Dead stock inventory is stock with no sale for months. How to find it, what it costs on the shelf and in Shopping ads, and how to clear it.
- [Demand Gen vs Performance Max for ecommerce](https://www.productmetrics.io/blog/demand-gen-vs-performance-max): Demand Gen vs Performance Max for ecommerce: which products each campaign type should carry, and how to read each against its own break-even ROAS.
- [Ecommerce return rate: formula, benchmark and ROAS impact](https://www.productmetrics.io/blog/ecommerce-return-rate): Calculate ecommerce return rate by orders, units or sales value, compare it with the right benchmark and see how refunds affect ROAS and break-even profit.
- [Enhanced conversions vs server-side tracking](https://www.productmetrics.io/blog/enhanced-conversions-vs-server-side-tracking): Enhanced conversions vs server-side tracking: one helps Google Ads match a conversion to an ad, the other decides whether it arrives. Setup, checks and our lab.
- [Google Shopping management: four jobs, agency or software](https://www.productmetrics.io/blog/google-shopping-management): What Google Shopping management covers: product data, campaigns, products and measurement, and when a Google Shopping agency or software fits.
- [Google tag gateway vs server-side tagging: how to choose](https://www.productmetrics.io/blog/google-tag-gateway-vs-server-side-tagging): Google tag gateway vs server-side tagging vs Full Signal Tracking: what each moves first-party, what it costs and which gets past ad blockers.
- [ROAS calculation: how to calculate ROAS, with examples](https://www.productmetrics.io/blog/how-to-calculate-roas): ROAS calculation: the formula is ad revenue ÷ ad spend. A worked example in euros, what to count (VAT, returns, spend) and how to read it against break-even.
- [How to improve ROAS: fix products, not the ratio](https://www.productmetrics.io/blog/how-to-improve-roas): How to improve ROAS so profit rises too: work per product against break-even, fix margin, returns and tracking, then shift priority and measure with POAS.
- [How to track competitor prices for Google Shopping](https://www.productmetrics.io/blog/how-to-track-competitor-prices-google-shopping): How to track competitor prices for Google Shopping when nobody sells your product: match on dimensions, compare list prices, read the gap next to POAS.
- [Incrementality testing for Google Shopping, step by step](https://www.productmetrics.io/blog/incrementality-testing): Incrementality testing for Google Shopping: holdout and geo designs, how to calculate incremental ROAS, a worked example and a decision rule set in advance.
- [LTV:CAC ratio for ecommerce: what a customer is worth](https://www.productmetrics.io/blog/ltv-cac-ratio-ecommerce): The LTV to CAC ratio for ecommerce only means something when LTV is profit, not revenue. The formula, a worked example and your own target instead of 3:1.
- [MER vs ROAS: marketing efficiency ratio, POAS, ROI and nCAC](https://www.productmetrics.io/blog/marketing-efficiency-ratio-vs-roas): MER vs ROAS: compare the formulas, attribution and use cases, and see which metric guides total marketing spend and which diagnoses a channel or campaign.
- [How to optimise Google Shopping ads, product by product](https://www.productmetrics.io/blog/optimize-google-shopping-ads): How to optimise Google Shopping ads: fix the feed, check each product's ROAS against break-even, segment, structure. Ten-product example.
- [Performance Max for Ecommerce: Exclude Products by Profit](https://www.productmetrics.io/blog/performance-max-for-ecommerce): Performance Max for ecommerce: see which products take the spend, then scale, split, exclude or wait on each against its own break-even ROAS.
- [POAS Vs ROAS In Google Ads From Revenue To Profit (And Why POAS Wins)](https://www.productmetrics.io/blog/poas-vs-roas): POAS vs ROAS in Google Ads from revenue to profit: both formulas, a worked ecommerce example, break-even POAS at 1.0 and how to bid on profit.
- [Predicted LTV (pLTV): what it is and when to bid on it](https://www.productmetrics.io/blog/predicted-ltv): Predicted LTV (pLTV) estimates what a customer will be worth. See how it differs from observed LTV, three ways to estimate it and what to check before bidding.
- [Price monitoring and comparison software for Google Shopping](https://www.productmetrics.io/blog/price-monitoring-software-compared): Competitor price monitoring and comparison software for Google Shopping: ten tools, Prisync to Minderest, on cost at 1,000 products, matching and updates.
- [How to set a target ROAS from your margin](https://www.productmetrics.io/blog/target-roas-from-margin): How to set a target ROAS from your margin: 1 ÷ (margin − profit kept), a margin lookup table, campaign-level targets in Google Ads and target CPA.
- [What is a good ROAS for ecommerce? 2026 benchmarks by margin](https://www.productmetrics.io/blog/what-is-a-good-roas): What is a good ROAS for ecommerce? One above break-even: 4 at a 25% margin, 2 at 50%. Check if 1.6, 2.2, 3.8, 4 or 7 is good, and what average benchmarks miss.
- [What is Google Merchant Center? How it works with Google Ads](https://www.productmetrics.io/blog/what-is-google-merchant-center): What is Google Merchant Center? The free tool behind Shopping ads and free listings, how it links to Google Ads, and how labels expose losing products.
- [What is price intelligence? A Google Shopping guide](https://www.productmetrics.io/blog/what-is-price-intelligence): What is price intelligence? Competitor prices turned into context for pricing and ad decisions: the data it needs, three Shopping use cases and an example.

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Published by Product Metrics (Berend Vrakking, founder).

HTML version: https://www.productmetrics.io/blog