If the AC isnt working when you buy it, dont even bother trying to fix it $$$$
You can see how fast a "Tune up" racks up in $$$$ if you read my thread, of course Mileage may vary because you dont know how it was driven or if it was neglected. If you are at UCF I do drive to UCF 3 times a week in my Van about 175 miles round trip depending on if I have somewhere to crash. You can check out my Van.
http://www.toyotavantech.com/forum/showthread.php?2352-My-1986-Toyota-Van-LE-(Comprehensive-Tuneup)