Find out how they treat pits and surface imperfections. If they say they grind them out, run away, fast. Find out what they use for filler material. If they say bondo, run away, fast. Needs to be some sort of metal - lead, etc. Start by giving whatever shop you choose to use ONE piece that you are not afraid of losing if they screw it up. See how long it takes for them to return it and in what shape. And stay away from Nu Chrone in Falls River, Mass. DAMHIK