With long term access? I can think of a few options off the top of my head (obviously your sensitivity to them will depend on your situation): - Blackmail - S

With long term access? I can think of a few options off the top of my head (obviously your sensitivity to them will depend on your situation): - Blackmail - Stalking - Determining when you're out of your house, and for how long you're likely to be out of your house to plan burglary.