The greeters aren’t the only ones at Walmart who demand your receipt. If you’ve registered for your wedding or other gift-lavishing occasion at there, know this: Wally World treats registry returns without a gift receipt as returns without a receipt. Even though they’ve got your registry right there, showing that someone else bought the item for you and precisely who bought it. Nope, being a registry item isn’t good enough. Reader Chris shared his sad tale, which ends with him being stuck with an air compressor and an awful lot of Walmart gift cards.