I had a customer who lived on a golf course and his neighbor had a big 'ol dog that wore one of those electronic collars, so he would be able to patrol the property right up to the buried cable. In a perverse way, I used to enjoy seeing unknowing- and in particular yuppie- golfers putting their shots in this man's yard and casually strolling onto his property to retrieve their errant ball and continue playing it. The dog would wait in ambush until they were about 20 feet in, and then launch itself at them barking and snarling in a false attack mode- yup, golf is great exercise; you'd be surprised how fast people can sprint when they feel the need to. The bottom line is, those who are course regulars take particular pains to make an exceptionally accurate shot lest they have to play tag with the dog. Oh, did I forget to mention: the guy's also got a great unobstructed view.