A bum comes up to the front door of a very expensive house and taps gently on the door
When the rich owner answers, the bum asks him, "Please, sir, could you give me something to eat? I haven't had a good meal in several days."
The owner says, "I have made a fortune in my lifetime by supplying goods for people. I've never given anything away for nothing. However, if you go around the back, you will see a gallon of paint and a clean paint brush. If you will paint my porch, I will give you a go…