it varies from continent to continent
1)if ur in USA...join NBA/Lawn tennis/Hollywood/baseball
2)if in Europe....join Chelsea/real madrid/manchester united
3)if in Asia ....join politics/cricket/bollywood/baseball
a politician would make a great deal of money but if you wanna be rich as well as famous in a good way ..be a celebrity ...Holliwood Actress ,actor, sing or star. Compete with Paris Hilton, britney spears...