I want to tell you about my friend Alvin who used one of the best wealth secrets ever to double his income in his field. He worked selling vacuum cleaners door to door, but you can apply this to whatever field you're in.
He wasn't doing as well as the good salespeople in his local office. In fact, he was one of the worst vacuum salesperson on his whole crew!
The only thing that separated him from all the ones who came in and stayed for a week or two was his tenacity, that and his ingenuity.