Here is a tip for hotel room theft deterrence. Many travelers open their luggage locks and then leave the lock hanging open on the luggage. But this is a mistake and it allows the hotel staff including the cleaning staff to look at the combination. You see if you open the lock using the combination and leave it in the open position, then the combination is right there for prying eyes. They check the combination and then return with the combination when you leave and lock your iPad or other valuables in the luggage.
So what should you do?
After opening the luggage lock, re-lock it on the luggage and spin the combination dial.
Here is an article from a security blog about what to do before leaving for vacation to help secure your home from burglars.