Don't Use These Expired Items

7. Bug Spray

Ends in: Two Years The average cost is $6. There are certain necessities that must be stored away for the summer. Regardless of whether you purchased an expensive bottle or a cheap one from Costco, if the bottle is older than two years, it should be thrown out.

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Shutterstock, Yevhenii Orlov, and Bug Spray The active components in bug spray that repel mosquitoes stop working after this amount of time, even if you haven't used up all of the solution. It won't break the bank at about $6 for a fresh tube, but it will keep you from being eaten alive by bugs.

8. Towels

Duration: 1 to 3 years $10* is the average price. For many people, purchasing a matching set of towels from Bed Bath & Beyond can be an enjoyable shopping experience, but don't get too excited about them. Depending on how frequently you use them, towels should be changed at least once every three to five years. They won't be completely germ-free even after washing them at a high temperature.

Towels ©Shutterstock/AAfrica Studio Because towels are frequently stored in moist conditions, they wind up serving as a breeding ground for a variety of unsavory bacteria that never fully go away. Towels are merely a little outlay of money, typically costing $10 apiece.