I made a reservation on hotels.com for a friend who was visiting from another country when his credit card stopped working. I asked specifically if I would be able to change the credit card # later. I was told it would be no problem - I would only have to call the credit card department for which the phone number would be in the confirmation email. When my friend called to change the number, he was told that my credit card was already charged and that there is nothing I can do except get paid back by my friend or cancel the reservation and pay... read full review »