A new guy in town walks into a bar and notices a very large jar behind the counter, which is filled to the brim with ten-dollar bills. The man guesses there must be thousands of dollars in it and approaches the bartender to ask: "What's up with the jar?"
Bartender: "Well, you pay ten dollars and if you pass three tests, then you get all the money."

Man: "What are the three tests?"

Bartender: "Pay first. Those are the rules."