Hi Jim.

My garage has a pretty high peaked roof and I hang them up in the trusses with #4 screw hooks. When I had a condo in The Valley, it had a detached garage with a flat roof and inside was exposed 2x12 ceiling rafters. I used #4 screw hooks to string bungee cords between them. If you have a finished ceiling in the garage, you can still hang them from the ceiling, but you would loose a lot of head room. I doubt you would want to bust the drywall out. You can rent a U-store. I have a 5x5 in addition, and it's only $30/mo.

Are you going to Lancaster?