After we moved into the new house, we realized that we need more shelves. We got the room for them - the master closet - and originally they only supplied one long shelf with one long "not needed" hanging pole for hangers. So, we decided to improve the closet to make it more efficient and useful. Below are the pictures of How I Built My Closet Shelves.
1st, I had to make a plan and come to an agreement with my wife so we both like it and so I'd know how much material I'll need to buy. I recommend finding online some free printable graph/grid paper.