Try out hotwire.com. I have gotten great deals there lately. I was in ATL during Easter weekend and got a full size car from Avis through Hotwire for $9.95/day.
I have already done my rental reservation for the V@theV week in May, again through Hotwire, for $12.95/day, full-size car also.
I rent a car 10 to 15 times a year, and have found that Rent-A-Wreck's rates are not much different from the regular guys' (Hertz, Avis, Enterprise, etc.)
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HarryPR
BMWCCA #19290