Many e-commerce brands fall into the trap of chasing a high ROAS (Return on Ad Spend) while ignoring the bigger picture. This blog explores why “vanity metrics” can be misleading and what you should track instead.
The Bottom Line: Profitable scaling requires looking at the “Contribution Margin” rather than just the dashboard numbers on Meta or Google.
The Problem with ROAS: It doesn’t account for COGS (Cost of Goods Sold), shipping, or taxes.
The “North Star” Metric: Introducing MER (Marketing Efficiency Ratio)—calculating total revenue divided by total ad spend to see the holistic impact.
Customer Lifetime Value (CLV): Why spending more to acquire a customer today is worth it if they buy three more times this year.
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