There are many other careers one might follow and succeed in; nevertheless, for the purposes of this topic, I'll use my own occupation as a photographer. Whether I was acting or making movies, I was always in front of the camera. But during the past five years, I've changed careers, turning into a portrait photographer and doing freelance work for a range of businesses and individuals. I make a decent living from this vocation, and thanks to my success, I've been able to build up a solid network of supporters for it as well as additional sources of income that contribute to my abilities' general development. Have I, however, advanced to the point where I can declare myself a subject matter authority? Am I so certain of my abilities that I can set any fee for a photo shoot and support it with my prior work? Does anyone ever completely master anything, whether they choose to be a photographer or take another path? What is a specialist? One who possesses authoritative know...