Mount plastic crates on the wall (vertically or horizontally); add a small spice rack; add an above-the-door shelf; add a fruit basket to the side of a cabinet.and more small easy space-saving storage ideas. Spray paint the crates
Mini planter or rustic candleholder - Made from a tuna tin & clothes pins! It's so easy that it doesn't need any words to instruct you on how to build it. I can use this for my green onions, just needs a taller container on inside
Upcycle plastic containers (spray / detergent bottles) into baskets, gift bags, containers, etc. Maybe larger square gallon jugs for holding craft supplies or keeping small things together in the closet, or.