It's true that even a lot of rich people shop at Wal-mart. It's part of the reason they stay rich. I mean they found out so many rich people shop there someone opened up a "Rich person's" Walmart where you can get deals by buying mass amounts of fairly expensive wine and the like. Well it's a Walmart/Sams club.
I wonder how that chain ended up doing though, haven't heard of it since it's conecption, so much so that i forgot it's name.