None???
Where to do you hide stuff when unexpected company comes by??
I'm serious - we put shelf brackets and a dowel up in our bedroom to hang shirts and suits and such. Last weekend we did the same under the stairs hubby built in the living room to the attic. The attic is going to be "office" space and closet space once we get it finished.
So far I have not had to deal with the problem of unexpected company because the weather has been fine and I haven't had to invite anyone in!!!! Even if I did - I wouldn't care.
The house may be a mess, but it is clean, so I've got no problem with anyone showing up and seeing my mess. They don't like it - they are the ones with the problem.