I know a super cheap place for tires on the corner of birdneck and vb blvd. It's called like something "Auto service". I bought some 215/50/17's and each one was 75 dollars mounted, balanced and with tire disposal. Can't beat the prices. Less for smaller and more for bigger of course.
Anyway hope that helps. And for anything suspension, tires and brakes. Berts Alignment is awesome.