"You have to learn the rules of the game.  And then you have to play better than anyone else."
- Albert Einstein
"The best time to plant a tree was 20 years ago. The second best time is now."
- Chinese Proverb
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!