Since its founding in 1958, Trader Joe's has evolved to become a fan-favorite supermarket. Here are 7 surprising things you may not have known about the chain. The most purchased product is Ginger Snaps. Their "try before you buy" policy means you can sample any item in the store, Each store has its own in-house artist, so no two stores look the same. Over 600 million bottles of its famous "two buck chuck" wine have been sold since 2012. Trader Joe's sells an average of 4,000 items, while a typical grocery store sells over 50,000. You can return any item, even opened, no questions asked. Every store has a plastic lobster hidden somewhere.