i had a suite at RPH and my holding charge was $300. when i was at the comic book shop in IOA, the TM had to call the hotel for approval of my charge back to my room account for $900. it only took a few minutes and then i was on my way out of the store. happened again at another store and the TM called the hotel for approval. what i was told when i asked at check in time, the cc holding charge for me was 10% of the deposit i paid. the above happened on my October trip last year. during my stay, i would pay cash on my account so i wouldn't go over my charging limits.