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7. Replace Your Light Bulbs
According to the Department of Energy, switching out your 5 most used lightbulbs to more energy efficient ones can save you up to $75 a year! This is an easy way to save money over time since all you have to do is unscrew your old ones, and screw on the new ones. Then you can celebrate as you watch your energy bill drop and your bank account balance increase. Sounds like a great deal to me!