If you have any halogen, fluorescent or incandescent lights left, swap your bulbs for LED lights – because they’re the most efficient and will reward you with cheaper bills.
Kasa Smart Light Bulb KL110: was $16.99 now $7.45 at Amazon Amazon's cheapest pre-Black Friday deal is this Kasa Smart Light Bulb for just $7.45. You can control the dimmable light bulb from anywhere ...