Originally Posted by
beep88
I got free upgrades more than 70% of the time. But I typically rent compacts, so upgrades are easier and "cheaper" for them. One time I got upgrade to a volvo for $10.
Yes, I used the same tactic. Booked the smallest and cheapest car but has not worked so far.
I have given up and shall just shop around but my experience seems to suggest that the Amex Platinum rate is usually very competitive.