Excellent communication. Took the time and effort to meet me at a convenient place. When I called to say that I would be 15 minutes late, he was very understanding. While waiting on me, he went into the store, bought a bottle of oil for the compressor I was buying (for a routine oil change), threw that into the deal, and wouldn't accept reimbursement for it.
Buy/sell/trade with him with complete confidence. Stand-up guy, and a very nice one.