Everyone loses socks. So what do you do with the stray single sock you have left? Don't toss it -- you can reuse it around the house! Fill a sock with cedar shavings, tying it off at the top; since socks are porous, the cedar scent will permeate the air inside a closet and keep moths at bay. To keep your car windows from fogging up, fill a sock with kitty litter, and tie a knot at the end. Place it by the window, and it'll absorb excess moisture, keeping your car windshield crystal-clear.

When storing leftovers in the refrigerator, it's imperative to cover the food to keep it fresh. But did you know covering your food also helps save energy? A refrigerator has something called a compressor; its job is to keep the air inside the fridge cool. Moist air in the refrigerator is harder to keep cool, so the compressor has to work harder. Uncovered food emits moisture, and over time, it uses more energy. Investing in reusable silicone covers or foil to cover food is a simple and easy way to help save energy and money.

For every extra 100 pounds inside your car, the overall fuel efficiency is reduced by 2 percent. While that number may sound low, it adds up to a significant amount of wasted fuel (and money) over time. While it's obvious to keep the trunk empty of things like golf clubs and boxes of random stuff, you can also save money by uninstalling little-used car furnishings. If your car has as third row, for example, those spare seats can be taken out and put aside. The heavy extra seats are a cinch to remove, and they can be stored in your garage and reinstalled when you are transporting a crowd.