TAKE as little cash as possible. Carry travelers' checks and credit cards to cover expenses. Keep it in full view at all times. If your hotel room is not ready when you check in, use the luggage check-in service at the bell captain's desk. Just ask at the front desk.
Obvious conventioneers are prime targets for thieves.
Try to look as though you belong. IF YOU SEE any suspicious activity, please report your observations to the hotel management.