I recently got a letter in the mail from a local car dealership requesting that I trade-in my 2001 VW Passat, saying that they are getting lots of requests, and stating the blue book value for my car. I wouldn't mind buying a new car, but promised myself I would drive my car until it is unrepairable, or graduate from college, whichever comes first. I still have 2 more years to go, but if this offer is legitimate, I don't want to let the opportunity go. Any advice?