<prompt> Human: Hi all,We recently moved to a furnished place that has a beautiful downlight system on ceiling rails. Turns out though, that the lights installed were 8 x 50W halogen lights.Assuming these lights are on for an average 8 hours per day my partner runs a child care from our home, that runs us 8h x 50W x 8 3.2kWh per day. At a rate of 0.25 kWh the rough rate here in Australia, that comes down to 0.80 per day, or 292 per year.By replacing the bulbs with 6W LED bulbs, Ive been able to reduce this to an estimated 8h x 6W x 8 384Wh per day 0.1 per day, or 36.5 per year. Even if I factor in the cost of the LED bulbs about 10 each, that represents a savings of 292-36.5-80175.5 for the first year, and at least 255.50 for the years following.This gets even better when you realise that LED lights have a 25x longer lifespan compared to halogen lights.TL:DR - LED bulbs, buy them to save money.  <response>: LED bulbs are amazing. Even smart bulbs save you money. Good tip 