How do I know if my house sitter really stays overnight? [closed]

Monica C.'s profile image

I don't have an alarm system or security cameras in my house. How will I know if the house sitter really stays overnight at my house? How will I know if the house sitter goes against my wishes and has guests over at the house?

Closed for the following reason duplicate question by Monica C.
close date 2017-10-03 02:11:01.584829