tldr: It's a market. If demand that day is greater than the supply, then you'll make money. The cost of bitcoin is dependent on the demand, not the cost of prod

tldr: It's a market. If demand that day is greater than the supply, then you'll make money. The cost of bitcoin is dependent on the demand, not the cost of production. If/as demand goes down, the cost of production will go down commensurately. There's always a fixed supply of coins entering the market every day. It does not matter how many people are mining, or at what price those people are mining. Also, it's 'stolen'/'subsidized' energy that is being leveraged. Not computing time.