Just because Tesla Motors hasn't made a profit yet doesn't mean early buyers of its cars can't. At least, that seems to be what one future owner of a Tesla Model S Signature Series is saying by putting his ordered-but-not-yet-delivered electric vehicle on eBay. The seller, who is based in Portland, Maine, has put a $145,000 price tag on the car, but he is accepting starting bids as 'low' as $138,500. If the car sells (and ...