Not all of these are healthy substitutes in my opinion, but some are, so use your own judgement. 20 Unique Healthy Food Alternatives --I'm interested to read about some of these things, and I know some of the substitutions only work in some circumstances.
Garage storage - use a pallet! Pick one up behind a store, bolt into beams, and done! 15 minute project for organization! - finally, a project for pallets that won't bring nasty toxins inside my house.