Pep Boys is a - If your are not mechanically inclined, then please insist on all of your information prior to a service. Also, be informed of your repair order without discretion.
Mechanics make a living based on what the know and how well they preform, thus making the environment very competitive. No business measns harm when they are trying to feed families, however... There are the few that make it harder for everyone. It is near impossible to explain the way timing advances on a D.O.H.C engine ( for instance) to the average consumer, so we all need to be aware of our own intellect pertaining to automobiles.
The hardships should never fall on a good mechanic. We are human, just like anyone else.