There’s no locks on any of the doors (except the bathroom). The host told us that they trusted us and hoped we trusted them but we had literally just met them. You aren’t given a key to the house which means every time you need to come in you have to interact with the host which is not ideal for introverts. There is an alarm set at night (past 11) so if you go out you need to wake them up and have them let you out. Very much like living at home in high school. The bed is slightly more comfortable then sleeping on a carpet floor. It was very clean and the host were very kind and eager to provide info on Boston. The location was great. Overall, some travels may like it but it wasn’t for us.