sure they have a towel on their bed, water by its side and a clear path to the bathroom you'd like them to use.
9. flowers: it's an extra touch, but placing fresh flowers in the room or by the bed where your guests are staying is super nice and spreads the message that you really honor your guest and their place in your home. it will also signal to them to join you in taking care of your home.
10. allergies: these can be a real problem for some people, so - if you have pets - do let your guests know ahead of time and give the room they're staying 