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Couponly Editorial

Written and fact-checked by the Couponly editorial team. We research against primary sources — court filings, affiliate network statements, and platform policy documents — and review every article before it goes live. Where AI assists in drafting, each stated figure is traced back to its original source. Spot an error? Tell us and we'll correct it.

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Breakdown of who pays whom on a $189.98 order: the shopper pays the store the same price with or without a code, the store pays the extension 1–10% affiliate commission from its own margin, and $0.00 is added to the shopper's total

Aug 12, 20269 min read

How Do Coupon Extensions Make Money?

They're free because merchants pay them a commission — not because they're charities. Here's how that money moves, why last-click attribution turned it into a scandal, and what it means for what you actually pay.

Couponly Editorial