Ask Google and Ye Shall Receive:
http://www.paintbull.com
Training, tools and certification for PDR.
When you get your "kit" be sure and tell us the secret as to how its done.
BTW, the dealership's guy gets a lot less than the dealer charges and he doesn't work all day every day. He probably only shows up to each dealership once a month or less. It's not that lucrative.