My huge blog on auto repair
Plus, the more employees a shop has, the more likely it is to have a specialist for each part of the car, which means the shop is more likely to be able to diagnose unusual problems and to have someone who can do difficult and highly specialized repairs. The third reason is convenience. Independent mechanics may offer a warranty on your car repair, but the warranty is good only at their shop. If your car breaks down in Louisiana, what good is a warranty in Texas? National chains, on the other hand, have branches across the country, so you're almost guaranteed to be within a short drive or tow of a mechanic's shop where your warranty is good. That can add up to considerable savings.