The only thing more annoying than trying to clean up spilled packing peanuts is paying for them. Just 1.5 cubic feet of them can run $9! What's worse is they often end up in a landfill. Next time you're shipping items, pack them in air popped popcorn instead, suggests the Complete Idiot's Guide to Stretching Your Dollar. It's cheaper, and when the package arrives, the popcorn can be scattered on the lawn for the birds.