Giant Foods Trademarks that appear on this site are owned by Giant Foods and not by CardCash. Giant Foods is not a participating partner or sponsor in this offer and CardCash does not issue gift cards on behalf of Giant Foods. CardCash enables consumers to buy, sell, and trade their unwanted Giant Foods gift cards at a discount. CardCash verifies the gift cards it sells. All pre-owned gift cards sold on CardCash are backed by CardCash's 45 day buyer protection guarantee. Gift card terms and conditions are subject to change by Giant Foods, please check Giant Foods website for more details.