Lara GuevaraSupply Chain expert (Product and Service)

Be careful for hidden margin loss!

18 Feb 2026 · 2 min

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1:42

In this video, the presenter warns e‑commerce founders that the apparent cost of returns—usually counted only as the refunded purchase price—severely underestimates the true margin loss. Using a worked example of an apparel brand with 25,000 annual orders at a $65 average order value and a 9% return rate (2,250 returns), the speaker itemises every cost per return: $7.50 for the return shipping label, $4.50 for third‑party logistics (3PL) processing, $2.00 for inspection and restocking, $5.40 for product value loss when 30% of returns cannot be resold (based on an $18 product cost), $12.00 for the refunded customer‑acquisition spend, and the longer‑term impact that 40% of returners never purchase again. Adding these line items yields a per‑return cost of about $24.20, which translates to $54,458 in direct return expenses plus $12,600 in margin lost on already‑paid processing fees, for a total annual hidden cost of roughly $67,000—almost three times the simple refund amount. The presenter concludes with a practical rule of thumb: multiply the return rate, order volume, and a factor of $20‑$30 per return to approximate the real cost, urging businesses to incorporate these hidden margins into their financial planning.

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A 9% return rate sounds manageable. It was costing this brand $67K a year in hidden margin loss. Returns are not just lost sales. They're reverse logistics cost, lost product value, and wasted customer acquisition spend. Most founders dramatically undercount returns cost. Here's a brand I worked with, Apparel. 9% return rate, which is actually decent for the category. They were doing 25K orders a year at $65 average order value. 9% returns is 2,250 return orders. Here's what each return cost: return shipping label is $7.50 average, return processing at 3PL is $4.50, inspection and restock is $2. 30% of returns couldn't be resold as new. Average product cost is $18. That's $5.4 per return in damaged and sellable product. Refunded customer acquisition cost, they spent $12 to get that customer who returned. 40% of returners never buy again. Per return total cost is $24.2 times 2,250 returns, that's $54,458. Plus a margin on sales they refunded but had already paid processing fees on $12,600. Total annual return cost is $67K. They were calculating returns as just the refund. The real cost was almost triple that. Calculate your returns rate, multiply by orders, then multiply by 20 to 30 per return. That's closer to your real return cost. Common returns for the return cost calculator.