Cashback is usually funded by a commercial relationship
A cashback website can sit between a shopper and a merchant’s marketing budget. Instead of paying only for an advertisement, a merchant may compensate a partner for referring an eligible sale. The cashback service uses part of that revenue to reward the shopper.
Rakuten publicly describes sharing store commissions with members. That explains how a free-to-join service can pay shoppers without charging them a checkout fee. It does not mean every store pays the same commission or every reward provider has the same business model.
Follow a hypothetical commission
Illustration, not an actual contract: imagine a retailer pays a service $8 for an eligible $100 order. The service could advertise a $5 shopper reward and retain $3 before its own costs. Those costs might include operating the platform, customer support, marketing, and payment processing.
The shopper’s $5 is not added on top of the $8. It comes out of the economics of that referral arrangement. You generally cannot infer the service’s profit from the displayed cashback rate because its costs and commercial terms are not visible.
Product rebates have a different sponsor
When an offer names a specific cereal, detergent, or personal-care product, a brand may be paying to encourage that purchase. Ibotta describes a performance-marketing model in which brand campaigns pay when they generate sales.
This gives a useful way to interpret product offers: they are designed to influence which product you choose. You benefit only if the resulting purchase is worthwhile for you. A rebate on an expensive branded item can still leave it costing more than the alternative you normally buy.
Why the business model matters to your comparison
A commercial incentive can affect which stores receive prominent placement, which offers are promoted, and which purchases qualify. That is a reason to compare total cost and read disclosures, not a reason to assume every offer is bad.
Ask whether the service covers the retailer you want, whether the reward is cash or a restricted currency, and whether an offer requires extra spending. A large advertised rate is less useful when it excludes the product in your basket or has a cap below the amount you expected.
How CashbackHubs fits in
CashbackHubs is a discovery and education platform. It explains reward methods and links to providers; it does not hold your cashback balance or approve your claims. Our affiliate disclosure explains that we may receive compensation from certain partner or referral links.
When comparing any service, look for clear offer terms, identifiable support, and understandable redemption rules. Read the privacy notice before connecting accounts or sharing receipts. The most useful service is one whose rewards, requirements, and data choices make sense for your shopping—not simply the one advertising the biggest percentage.
Sources and further reading
Official references checked September 28, 2026. Examples are illustrative; offers and eligibility can change.