Think of this unit as a Walk-in Closet. Well organized, this unit can accommodate some furniture; a couch and chair, chest of drawers or dresser, a spring mattress set, plus small items.
This unit can be visualized as a average bedroom. Well organized, it will accommodate the furnishings of 2 bedroom sets (mattress and box spring, head and foot board), 4 night stands, 4 lamps, 2 dressers. Some major appliances and small boxes.
This unit can be visualized as a single car garage. Well organized, it will accommodate a 2 bedroom apartments furnishings, with appliances, car or truck.