A promise to refund the full purchase price if a customer is unsatisfied with a product or service. Eliminates financial risk from the buyer's decision.
This specific guarantee format became widespread in American commerce during the 1880s, pioneered by mail-order companies who needed to overcome customer skepticism about buying unseen products. Sears, Roebuck and Company helped popularize this exact phrasing.
Paradoxically, offering money-back guarantees often reduces actual refund rates because customers feel more confident in their purchases and are more forgiving of minor flaws. The guarantee changes the psychological framework from 'buyer beware' to 'seller stands behind product.'
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