Organizing usually leads to downsizing for me. I'll find I have more than one half full box of something, and I can combine them, saving some space.
Do you have a place (town/area) that you're looking at to move to?
I used to run a 12x18 sheet fed printing press. I brought home the paper boxes to store quart jars of canned tomatoes. The boxes will hold 15 jars. The top half of the box is sitting on the top of the jars, but the jar is covered. Because of the weight, I only stack them two boxes high.
I use...