Forget CPA. CM3 is your north star

A guide to understanding the one metric that matters.

TL;DR

Contribution Margin 3 (CM3) tells you how much profit you’re marking after marketing costs. Unlike CPA, or AOV, or ROAS – it helps us understand the only question that matters: are we making real money? This post explains why it’s important and how to measure it.

The problem with metrics today

Thanks to every Shopify plugin in the world, we’ve got m…