Free: Contests & Raffles.
on the same thought, if your place is scary looking people will tend to go elsewhere.Also, the neighbors have a huge black mastiff that I have no doubt would eat a burglar if given the chance.
Completely fenced in property, gates that lock, motion lights, post your property, dogs, etc. . Just need to make your place less desirable than your neighbours place, so they move on to the house down the street.
2 big Rottweilers have worked very well for us for 27 years...
Always wanted a couple dobermans, Roscoe and Desoto