I'm lucky to have a double attached garage but found that I had a lot of "stuff" around the walls that limited what I could put in the garage. So I built a storage area that is equal to about 25 percent of the floor space above the area where my work bench and bike stand is. It's a 2x6 frame that is screwed to the back and side wall and then a 4x4 post at the corner. Now I can put a whole bunch of stuff I should probably throw out or get my kids to take to their own homes off the floor, park the car and still have my work area. It's still a big mess though until I organize it again when the nice weather comes back.