Isn't that what rental/home insurance is for? You can certainly make the case the AirBNB misrepresented their safety procedures and checks but it's going to be

Isn't that what rental/home insurance is for? You can certainly make the case the AirBNB misrepresented their safety procedures and checks but it's going to be hard to prove that they participated in the damage of her property. There is a reason why subletting is forbidden in leases and a reason why insurance companies won't pay damage claims if they think you are operating a hotel out of your house.