Turning off the lights and other electric appliances when you aren't using them is one of the most basic steps you can take to reduce your energy usage and save money on your electricity bill. Just ...

Turning the electricity off at the circuit breaker is the only way to ensure there is no power coursing through the light bulb socket when you change your bulb. That said, ...

"No wires, no electricity added to the bill, no problems. Worth every penny." A four-pack of Aootek Solar Motion Sensor Lights is just $20 ahead of Amazon's Big Spring Sale.

Kiplinger, the personal finance site, offers a wonderfully geeky formula to calculate a holiday power bill: (wattage/1000 x time in hours) x cost per kWh in cents = cost to run Christmas lights ...