I got a 12x24ft storage building a few days ago. Since then I put in a dividing wall to separate a storage area from a work area for me. I' have insulated, added AC, wired, and put in spot lights and worklights at strategic locations. Plus moved most of my stuff in. I still need to run one more 120VAC line to the "front" wall.
I put in a moveable ladder to the loft.