I live in Bay Area 20 mins (by bike) from new Apple campus. A house next to ours has been empty for at least 5 years. Once a year a lady from China shows up fo

I live in Bay Area 20 mins (by bike) from new Apple campus. A house next to ours has been empty for at least 5 years. Once a year a lady from China shows up for not longer than week. It is never rented out, just sits empty...