I don't think that would be a bad idea at all. Combine the training with your line of products and you have a win win. If they started buying degreasers and such from you, you would have to have them in bulk 5gal, 30gal, or even 55gal containers--could be a pain in the rear.
I wish I could find some of the cars that *only* need correction via DA, I use the rotary, typically for two passes on almost *every* car that I detail.....perhaps I neeed to focus on who I am marketing to.
