There are no fewer than a dozen reasons to love Trader Joe's: The Hawaiian shirts! The orange chicken! The always-low prices! But chief among them might just be the store's return policy. "We tried it, we liked it. If you don't, bring it back for a full refund." That sign—or some slight variation—is painted on the wall in most Trader Joe's stores, and it holds up. If you don't like something you buy, or it's defective in some way, you can bring it back for a full refund.