When it comes to rental properties like Airbnb, mattresses should generally be replaced every 5-7 years. However, the frequency can vary based on usage intensity, guest feedback, and the mattress's durability. Regular inspections for wear and comfort are crucial to maintain guest satisfaction.When it comes to rental properties like Airbnb, mattresses should generally be replaced every 5-7 years. However, the frequency can vary based on usage intensity, guest feedback, and the mattress's durability. Regular inspections for wear and comfort are crucial to maintain guest satisfaction.