I have been receiving charges to my amex account of $12.99/mo for 8 months. I was able to find the phone number 800-290-8603 on the amex statement. I called the number to cancel and was told by the representative that I had choosen an offer for rebates when making reservations with hotwire.com. I don't recall agreeing to any offers and typically never would. Beware of making reservations using HOTWIRE.COM read full review »