Pick up a spare wheelbarrow wheel and tire (about $20 at a home center). Deflate the tire, tuck in your goods and reinflate it. Plus: Check out these 13 inexpensive ways to theft-proof your home.
How many thieves are going to go through the dozens of pockets in your closet? Put cash in the pockets of your old pants and suit coats. Just be sure the clothes don't get donated!