got suckered in to buying 4 tires in July of 2008. did it because of a $500 gas card. Long, disgusting story short-I've sent in my receipts every month since August of 2008, and exclusively bought Shell gas, despite it being more expensive and hard to find, and still haven't received a single $25 card. numerous complaints, numerous excuses, and many lies later, I have given up. buyer beware...free gas cards are a scam...you will lose. I did. read full review »