Is there a Walmart near you?
If you really want to save money, buy this tire for $328, you will get $100 rebate, take tires to Walmart to have it mounted for $12.5 each. You will be good for next 80k miles.
http://www.discounttiredirect.com/direct/findTireDetail.do?ra=searchTiresBySize.do&fl=&pc=19817&counter=0&ar=65&rd=15&cs=205
Falkon tires waer out early than promised. I had two sets of Falkin tire with 1999 Toyota Avalon.