Bitcoin mining is really expensive, but i think even other people had been using other source of electricity in bitcoin mining it is still not enough because an equipment in bitcoin mining needs to be working 24/7, so it needs really needs a huge amount of electricity.
If you are living in 3rd world country and then electricity is gonna pain in the ass to pay. You might suffer with losses if you in 3rd world country. It was profitable before due to lower difficulty but with upcoming halving and higher difficulty I find mining is not profitable if you are not
experienced