I think the quality of work you get from any Discount Tire depends on the quality of the 18-20 year old doing the work and how much pot he has been smoking that day.
+1. I work near one, and they do not leave a professional image in my mind. I've seen worse, but I've also seen better. Without general auto repair to go with it, you won't get much high quality staff to make sure things are done right.
Getting people more wound up than a liberal who just lost their welfare check