Replace the old incandescent lamps with these low wattage lamps. Cost savings in the long run is 8 to 12 times vs incandescent lamps. Incandescent bulbs are 90% heat. Too hot that it can burn your skin and worse can even cause fire if it is touching curtains, draperies or paper.

LED flashlights

You can save both time and energy using a pressure cooker

Exercise too.