If your car is worth less than $3-4k, there is no reason to put $600-700 worth of new tires on it. With that said, find a good used tire shop that is trustworthy, which is what Bob's is. For $80 I got two tires for my SUV and the owner Genaro took me back into the tire corral and let me choose the two I wanted.
After driving it for 2 days I noticed it was pulling a little, and went back and this time let Genaro do his magic and he put on a different set = problem solved. This is where the trustworthy-ness really showed, didn't expect that type of service but Genaro knew what it would take to make a customer for life, and will be going back when I need to replace my rear tires.
One note, a little bit of a language barrier, but if you have a problem with that you should probably should go pay $600 for tires and vote for Sheriff Joe.