From the when you thought things couldn't get any stupider file - how to lower electricity costs by using more electricity.

https://www.wired.com/review/heatbit-maxi-pro-bitcoin-miner-heater/

I Tried to Offset Horrible Heating Bills With a Bitcoin Miner

Electricity rates have gotten so atrocious that this Heatbit wants to offset your costs with bitcoin mining. But the math doesn't add up.

WIRED