Use an old pallet for tool/cleaning storage in a barn or shed.
Recycled cans make great hardware holders
folding picnic table @Lori Eagan Chaffin we should make these!
Fashionable and you can switch it off when not in use (ENERGY SAVER!)
Backyard On A Budget: 5 DIY Outdoor Seating Refresh Ideas USE AN OLD TIRE
Wall organizer in garage or workshop - looks like it could easily be made of pallets for little or no cost.
Chad's Workshop: French cleat garage storage. A fantastically flexible setup for the likelihood that the needs of the space will change over time.