Interesting article by Don Giannatti about the need or not for a professional photographer.
About the author: Don Giannatti is a photographer, designer, and writer who has never owned a Subaru or an Escalade. He once owned a PT Cruiser, but that it a long and tortured story not fit for telling without a few beers. He lives and works in Phoenix, Arizona, and prefers Mexican food to anything else. In fact, there may not be anything else. You can visit his website here and his online portfolio here