text:  And when you follow that, it is a process. It's not inviting a stranger into your home because by the time they arrive, actually it's somebody that you're meeting for the first time. And they do say that strangers are friends that you meet for the first time. Is there an average length of stay for pet sitters? Our average across the site is probably 10 days to two weeks. However, there are weekend sits. And I actually did a sit in Spain that lasted for eight days.