When I was about 20, I received a letter in the mail that said for a 5 dollar investment, I could get a steady stream of cash income. It seemed like a great deal to me, so I sent for the information.  I got a letter back explaining the process, and it had a few other addresses on it.  I was directed to send 5 more dollars to the next person on the list, and he would send me the next thing I needed to know.  So I sent 5 more dollars and got a sheet back that said I was to send lett...