I have a really old house, that uses skeleton keys and mortise locks. I have two rooms that I use for airbnb, and I have a key for one, could possibly get one for another.
The problem for me is that the key also allows locking and taking the key - I don’t want guests to leave the room and lock the door. If I had modern doors, I would put bathroom type doorknobs on them that allows locking from the inside. But, It is impossible to change the doorknobs and locks.
Also, I am concerned about ruining my beautiful doors by screwing into them hotel style chains. I will do it if everyone here advises it, tho.
Once every 30 reviews someone mentions not being able to lock their door as a negative.
How do you do it, when it is a shared house? What do you advise?