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Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
If you don't give the hotel a credit card at check in, they could be concerned that you might try to leave without paying. If the hotel holds your passport, in principle this cannot happen.