The idea of cashback sites is relatively simple. You register with one of the many sites out there and when you buy online you visit the same retailers as usual, but via a link on your chosen cashback site. When you make a purchase, the retailer pays a commission to your cashback site, who in turn gives you a cut of the money.

Quidco uses affiliate networks in order to track transactions with retailers and to allot the cashback to the correct Quidco member. Logged-in Quidco members get cashback on their purchases when they click from Quidco to a retailer’s site and carry out a transaction; the amount of cashback available can either be a fixed sum or a percentage of the order value. In June 2011, Which? published an article claiming that debt-management companies were targeting Quidco customers. However generally Quidco has gained media praise.

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