cashback meaning, definition, what is cashback: a system in which banks or businesses encourage people to buy something by giving them. Learn more. Debit card cashback is a service offered to retail customers whereby an amount is added to the total purchase price of a transaction paid by debit card and the. It works like this: say you make a purchase for $ and you would also like $ cash. Ask the retailer if they offer cash back. If so, ask for the purchase.
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