Originally Posted by Nowanker

Gotta jump in on the 'bringing your own parts' concept.
Opening and running an auto repair business is unbelievably expensive.
Trying to earn a living from an honest repair shop is extremely difficult, and shops rely on income from parts profit as well as income from labor to make the exercise worth the effort.
I've known Tony H for a long time, and his reputation is stellar. There are a lot of shops that will accommodate you on parts, but he's earned his position and has good reasons behind his policy.