“Sales is the best career in the world!” says Adam Clark, the director of sales at Repay. “It is the only career that you can work for somebody else while being your own boss. You are responsible for your own destiny. You can decide what you want to get paid. You can decide what hours you want to work, and you can ultimately decide how successful or not you want to be. So have fun doing it.” Clark offered five tips on how to succeed in sales (without really trying).