I've been using Tires Plus for at least 14 years and never seemed to have any problems although friends always wondered why I used Tires Plus. In GA I had a good relationship with the managers and trusted them.
Here in WI I'm not so sure. I know their service is overpriced but so far it's been good. I took my Dodge Dakota in today to have the right inner and outer tie rods replaced. I got a call later telling me they couldn't just replace the inner tie rod, they would have to replace the whole rack and pinion assembly.
Of course for a mere $260 more.
I'm not a mechanic but I seriously wonder about that. Plus it's taking them three times as long as they said to do the repairs.