If you are a person who looks forward to Halloween all year long, you may find that renting a storage unit is a good way to prepare for your favorite spooky holiday. If you're at a loss as to how a storage unit might help you prepare for Halloween, consider these ways that storage units might be useful for you. Buy Stuff All Year Long  You might look forward to the times when your favorite stores put out Halloween-themed items, but you don't have to wait until these times to buy items to use as Halloween decorations.