Keep all your receipts and examine all of them. Then once the trip is over check your bank statement. Transaction mistakes are more likely to happen in a checking account than on a charge card. So if you won't double check it, an accidental overcharge can be a disaster and potentially lead to overdraft charges, bounced checks or insufficient-funds charges. Because resolving it will take a while and you don't want that so better read your receipts carefully before leaving your hotel.
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