Originally Posted by avidflyer

There is a formula for each hotel brand but it is generally in the range of $40-$50 per day. If there is a parking charge for the hotel that would also be pre-authorized. My guess is about $350.00 for 7 days. It does not matter if you do not "plan" to charge anything they will still need to do it. The Pre-Auth will come typically off your card within 2 business days, so the funds will be available to you while you are still on vacation.