Gerald Grinter has considered himself "permanently unemployable" since the age of sixteen--but he honestly tried working for others. Born with an entrepreneur's heart, he started his paper route as a kid, which he then turned into a landscaping business, before flipping burgers a single summer. He was "fired" from a hospital for being too efficient at 18, then tried working for "the Man," before starting an insurance agency that he sold a decade later for more than he ever imagined. "You have to work for yourself no matter who you work for. Nothing else matters!" He now gives back by working a...