I never lock it. If I go somewhere for a day and it doesn't come with me, it's likely to stay right on the desk, all set up and waiting for me to return. <knocks wood> I've had no problems to date. What kind of hotels are you guys staying in??? In fact, in all my travels, the only time I ever had anything taken from my room was once in Cozumel, the maid took all of the loose peso coins (a whole bunch, not 2 or 3) on my night stand.