Buyer's Fees: 10%
Seller's Fees: $1,000, plus 8% to 10%
Record Sale (2007): $9,300,000 for '62 Ferrari Testa Rossa (pictured)*
Pro: The biggest player - and extremely competent at getting and selling a lot of great cars
Con: With such high volume, the experience can be less personal
For Sale Dates: rmauctions.com