Seattle Seatac Airport, Hertz
10 days, $410.34 inclusive
SEA, Mid Size, $24, 12/18/17-12/27/17
Successful bid was 25 days in advance of pickup date.
Started bidding at $9.
Bidding earlier would have saved money. When I started bidding, 40 days in advance, even the Hotwire deals were less than my successful bid two weeks later.