$15 is a really low incidental authorization rate, pretty much everywhere I stay is $50-100/night (there are some places in Vegas which are $200+). Actually I think there probably should be more disclosure of what the rates will because I bet a lot of people who prepaid a NYC hotel room for a week would be surprised to find out that typical incidental charge for a 7 day stay in NYC is $700 (not sure about the Hyatt NYC props but I know all the Hilton NYC props are $100/day and I think that is what I had for both Andaz visits). Not everybody has massive available credit all the time.