
ROAS and Margin: What Ecommerce Brands Miss
Summary ROAS measures revenue efficiency, not profitability. Without contribution margin data, a campaign can show strong ROAS while losing money. Sustainable ecommerce growth requires calculating break-even ROAS, tracking marginal profitability, and shifting from revenue-based to profit-based decision-making. Key Takeaways ROAS ignores COGS, shipping, fulfillment, and return costs. High ROAS can

















