There aren't enough shelves, AND YOU CANNOT ORDER ADDITIONAL SHELVES!   When I contacted ClosetMaid to order additional shelves, they told me they do not sell them.  The shelves are 11" X 14" and I've been hunting to find some that size, to no avail.  Now I'll need to have some cut to size, which is a chore I had not planned on. Go with a brand that really is a "system" with add-ons.  This is not.  All that dead space in the picture below is dead space. Dumb design.