Bingo, residual income. Year 3 John saved the company a big account. Year 4 John marries the boss' daughter. Bill is working hard. Year 5 John's wife is pregnant, so grandpa gives John another five thousand-dollar raise.
Persistence is the key.
Actually his expenses have even gone down a bit. Many of his distributors are doing their own advertising. Bill finds himself doing more trainings. Well, the wife wants to stay home with the new baby. Hey, that's better than he is giving everyone else.