Christopher A. CombsQuestion: My Princeton college roommate is an attorney with an international law firm and came into town last week to look at $3 million to $4 million homes in Paradise Valley. I showed him my three listings within his price range, none of which he liked. I then showed him five listings of my deskmate in our office. My former roommate wanted to make an offer on one of those homes. He was concerned, however, that he hadn’t seen any other Paradise Valley homes listed by other brokerage...