My partner works at Wal-Mart. For Christmas, they wanted their cashiers to wear Santa Hats. So, did they go to their Christmas section and get some? No, they went across the parking lot to the Dollar Tree store and bought them there!
So I guess the moral of the story is, when Wal-Mart can't afford to shop at Wal-Mart and must shop at Dollar Tree, it's time to worry about the economy.