So I'm just researching and thought y'all could help. I was thinking a paging car alarm but for most situations I think something more like this will work:
http://www.thehomesecuritysuperstore...w-alarm-p=3644

Then they have ones that call cell phones with a SIM card and have six month batteries in them. That would work for those who have them moored or in a storage facility.

Lets see if there's some viable cost effective options to thwart these a-holes!