If you already have renter’s insurance, that should cover you for storage. At least mine does.
I live in Kansas City, which is pretty hot and humid in the summer. I just use regular storage, not climate controlled. I’ve never had anything get damaged. The storage place where I had my stuff in 2004 recommended I put all my boxes on wooden pallets. They told me that cardboard boxes sitting on concrete floors could get damp. I took their advice. But I put my stereo speakers right on the concrete floor, and when I moved out of storage, there was a bit of mold on the bottom of the speakers. So I believe the pallets help!
I also put all my clothing in plastic storage containers – the kind that’s always on sale at Target or WalMart.
Finally, be sure that you have a box with seasonally correct clothing at the FRONT of your storage unit. I forgot to do this in 2004. Put all my stuff in storage in June, and when I returned home in November, all my winter clothing was in the back of the storage unit. Ugh.
I would suggest having a box with clothing, your telephone, your phone books, and whatever else you think you might need to live until you find a new place after your hike. Label this box clearly and place it at the front of the storage unit.
yogi
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yogi