1.Energy audits
2.Adjust your water heater
3.Change the light bulbs: Swapping out your current bulbs for low-energy ones
4.Wash your clothes on cold
5.Get rid of cable: Cutting the cord to your landline or cable can save you $100 a month. As an alternative, a Chromecast, which streams shows from your smartphone or computer to your television, costs just $35.