 I don't know about that. And also between friends. But a few tips they offer establish this rapport with a swapper. You shouldn't feel like a stranger. They say, unlike short term rentals, home swaps. Well, there's a personal touch if you're OK with that. But they say basically check your insurance policy because it could limit the number of days that a guest can stay in your home. And it could also limit compensation for damages. That's a big thing.