Abstract: A building construction includes an exterior structure, a secondary floor, and an access structure. The exterior structure includes at least four exterior walls, a primary floor and a roof defining a primary storage space wherein merchandise is stored and displayed. The secondary floor defines a secondary storage and display space within the primary storage space. The secondary floor is spaced above the primary floor a distance sufficient for the display of merchandise between the secondary and primary floors. The secondary floor is also exposed within the primary interior storage space. The access structure provides access between the primary floor and the secondary storage and display space. An excess number of merchandise items stored on the primary floor are stored in the secondary storage space and accessible via the access structure.