If you’ve read my stuff before, you know I have a checkered history of repairing my own vehicles. It’s the inevitable outcome of going out of my way to deliberately (read: dimwittedly) buy a series of notoriously crappy cars and trucks that nonetheless looked very...

If you write service or sell parts, angry customers on the other side of the counter are an occasional part of the job. Maybe it’s someone picking up a car who is facing a bill that’s vastly different than the estimate. Or maybe in the parts store it’s a customer with...