Blog
Guides on hidden margin leaks, break-even CAC by SKU, and true contribution for Shopify brands.
A blended ROAS target hides which products make money on ads and which lose it. Here's how to calculate the real break-even ROAS for each product using contribution margin, not gross margin.
Most brands spread ad budget evenly or by gut feel. Here's how to allocate spend per product based on actual contribution margin, break-even CAC, and payback period.
Most Shopify sellers track COGS and think they know their margins. They don't. Here are the 10 costs that eat into your profit that never show up in Shopify reports.
Shopify's profit reports only subtract COGS. The real margin per product — after payment processing, shipping, returns, CAC, and fulfillment — can be 20-40 points lower. Here's how to find the real number.
A SKU that looks profitable in Shopify reports can turn weak or negative after fully loading shipping, CAC, returns, fees, and fulfillment. Learn how to find and fix fake-profitable products in your catalog.
Most brands set CAC targets at the portfolio level. That's wrong. Break-even CAC varies wildly by SKU. Learn how to calculate the maximum profitable CAC for each product before you overspend.
Spreadsheets give you one answer. Monte Carlo simulation gives you thousands. Learn how probabilistic modeling reveals hidden risk in your e-commerce margins before you commit to scaling.
Most e-commerce sellers undercount costs when evaluating product profitability. Learn how to calculate all-in unit economics per SKU — including hidden costs like CAC allocation, refund rates, and return shipping.
Learn what contribution margin is, how to calculate it for e-commerce products, and why it matters more than gross margin when making pricing and growth decisions.
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