How much storage space is enough?  Follow these guidelines:

5 x 10 feet = About the same size as a walk in small closet
 Should hold: couch, chair, dresser, a few boxes
GREAT FOR MOTORCYCLES, LAWNMOWERS, BIKES

9 x 9 feet = About the same as a child's bedroom
Should hold: furnishings from a small 1 bedroom apartment

10 x 10 feet = About the same as a small bedroom
Should hold:  a one bedroom apartment

10 x 15 feet = About the same as a living room
Should hold:  Furnishings from a 2 bedroom apartment without major appliances

10 x 20 feet = About the same as a small one car garage
Should hold:  a small car or boat
GREAT FOR THAT SPORTS CAR

10 x 23 feet = About the same as a large one car garage
Should hold:  Furnishings from a 3 bedroom apartment
(9 x 9 doors are available)

14 x 30 feet = About the same as a 2 car garage
Should hold: furnishings from a 3 bedroom house
(12 wide x 11 high doors)
GREAT FOR FISHING BOATS, CAMPERS

14 x 60 = About the same as an outdoor building
Should hold:  motor homes, large boats, large home furnishings
(12 wide x 12' 4" doors are available)
(available with or without electricity for motor homes)