Channel ROAS vs Contribution Margin - The Real Difference

If you're trying to figure out if your marketing is actually working, let me teach me the difference between channel roas and contribution margin before you spend another dollar on ads. It's one of those things that seems simple on paper, but once you're staring at a Shopify dashboard or a massive Google Sheet, the lines start to blur. One makes you feel good; the other tells you if you're actually going to stay in business. ...

February 28, 2026 · 6 min · Luz Anzhelika