"Hide not your talents, they for use were made.  What's a sundial in the shade?"

- Benjamin Franklin

"Making money is art, and working is art, and good business is the best art."

- Andy Warhol
None. Well, one: You do need to be over 18 years of age, reside in the U.S., and have a pulse. But that's about it. There is no qualifying, physical exam, IQ test, beauty contest, or credit check!