>A Bitcoin miner is more expensive to produce and maintain, yes, but over its lifetime shouldn't it pay for itself? No. They won't pay for themselves at curren

>A Bitcoin miner is more expensive to produce and maintain, yes, but over its lifetime shouldn't it pay for itself? No. They won't pay for themselves at current prices with current difficulty even if you get "free" electricity And the electricity isn't really free either, a heat pump style heater like a portable AC is about 300% efficient.