Hey Tex, same here. I keep the more expensive props out of arms reach behind my cemetery fence and I also take the expensive ones in for the evening after 10:00pm, (had too many thefts in the past)
One thing I might recommend is to put up some signs warning of camera surveillance and buy some fake cameras. I have real ones but the signs do work. A friend of mine did it and it stopped all thefts for himHey Tex, same here. I keep the more expensive props out of arms reach behind my cemetery fence and I also take the expensive ones in for the evening after 10:00pm, (had too many thefts in the past)