Startup Margins

Contribution Margin in Ecommerce: What ROAS Does Not Show Ecommerce contribution margin is one of the most important numbers that ROAS does not show. Most operators running paid traffic know their ROAS by heart. They check it daily, optimize around it, and use it to decide whether a campaign is working. That habit is reasonable. ROAS is a useful signal. But it is incomplete in a way that can quietly damage a business if the gap is never addressed. A store can run at 3x or 4x ROAS and still generate almost no usable profit. Payment fees, platform costs, refunds, chargebacks, and the actual cost of goods all come out of that revenue figure before anything reaches the bottom line. ROAS does not capture any of that. Contribution margin does. Quick Answer Contribution margin shows how much money is left from each order after direct costs, payment fees, refunds, and ad spend. ROAS only compares revenue to advertising spend. That means ROAS can look strong while contribution margin remains to...

Why Ecommerce Stores Can Grow and Still Run Out of Cash There is a moment that stops a lot of ecommerce owners cold. Orders are climbing. Revenue numbers look strong. The dashboard shows growth month over month. Then they check the actual bank account - and there is almost nothing there. This is not a rare edge case. It is one of the most common ways ecommerce businesses fail at precisely the moment they appear to be succeeding. Growth and cash are not the same thing, and conflating them is an expensive mistake. Growth Does Not Always Mean Financial Health Revenue is a vanity metric until cash confirms it. When a store sells $6,000 worth of products in a month, that number feels real. It appears in analytics dashboards, in Shopify reports, in ad performance summaries. But that $6,000 has not necessarily landed in the owner's bank account yet. And before it does, a long list of expenses has already been paid - most of them upfront, many of them non-negotiable. The fundamental prob...

 What every online business beginner gets wrong about the most shared metric in ecommerce Every week, thousands of people post the same kind of screenshot in ecommerce Facebook groups, Reddit threads, and ecommerce Discord servers. A cropped ad dashboard. A big green number. A ROAS of 5x, 8x, sometimes absurdly higher. The caption is usually something like "week 3 of my store" or "finally cracked it." These screenshots spread fast. They get saved, shared, and used as benchmarks. Beginners look at them and think: that is what success looks like. That is the number I need to hit. Here is the uncomfortable truth: most of those screenshots, even the completely real ones, do not tell you whether the person posting them is actually making money. ROAS - Return on Ad Spend - is the single most shared metric in the ecommerce and ecommerce world. It is also one of the most misunderstood. Understanding what it actually measures - and more importantly, what it completely ign...