You are right that it is at least 2/3 below wholesale, it is likely below dealers cost, and may be less than what it cost the factory to produce it. So , you have got to ask yourself the Clint Eastwood million dollar question: "Do ya feel lucky, punk? Well, do ya??"""
I would want a good explanation why. Is it stolen? Did some contractor end up with it and just can't deal with keeping it around, and wants to get a few bucks out of it?