Break-even CPA
The estimated maximum ad cost per purchase before the product becomes unprofitable.
POD seller tool
POD Margin Lens
Rank POD products by ad-cost safety before launching ads.
A lightweight local-only Chrome Extension for POD sellers who want to compare break-even CPA, post-ad profit, and ad safety before spending money on ads.
Why ad-cost safety matters
POD sellers often compare many products before running ads. POD Margin Lens helps estimate which products have more room for target CPA before launching tests.
Key calculations
Post-ad profit
The estimated product profit after subtracting the target CPA.
Ad safety ratio
Break-even CPA divided by target CPA, used to support ranking decisions.
Rank
Strong, Testable, Risky, or Loss based on the ad safety ratio.
Formula reference
Revenue = Selling Price × (1 - Discount Rate)
Payment Fee = Revenue × Fee Rate + Fixed Fee
Pre-Ad Profit = Revenue - Product Cost - Shipping Cost - Payment Fee
Break-even CPA = Pre-Ad Profit
Post-Ad Profit = Pre-Ad Profit - Target CPA
Ad Safety Ratio = Break-even CPA / Target CPALocal-only privacy
No login
No account is required to use v0.1.
No Shopify connection
The extension does not connect to Shopify or read store pages.
No Printify connection
The extension does not connect to Printify or supplier APIs.
No Meta Ads connection
The extension does not connect to Meta Ads or ad accounts.
No analytics
The extension does not use analytics or external tracking.
No external API
All calculations are performed locally on the user's device.
Roadmap preview
v0.2 is planned to turn POD Margin Lens into a reusable product decision log with CSV export, Markdown export, and Copy Markdown Summary.
View full roadmap