If you’re a photographer of any level, you definitely don’t need anyone telling you that competition is steep in the industry. Even casual shooters feel the occasional burn as peers pick up new gigs or receive accolades, and for full-time professionals, it can be even worse. But, urges newborn photographer Kelly Brown, it’s not the opinions of other photographers that you should worry about. After all, your peers don’t pay your rent. “My business is the most important thing to…