it seems that underbed storage is only used in pop-up campers. Is there some reason for this? It seems like it would be a good place for some more storage, has anyone built some sort of underbed stora...
Having little storage space makes you think of what you really need. For that reason I'm not searching for extra space, because it's being filled with clutter anyway, IMO.
What I would do is looking for what you really need to take along and see if you can put it somewhere. If you can't, you start searching for an extra space.
I have the feeling that many people look for extra space and then search for what they can put there...