The difficult question is "how much does a miner bring profit per month." Profitability varies depending on the capacity of the equipment, electricity tariffs, and the cost of cryptocurrency in the market. A standard miner brings from 5 to 20 dollars a day. One of the best miners on the market whatsminer m31s 80t https://minery.io/hardware-store/whatsminer-m31s-80t/ . It has excellent, and most importantly, stable profitability. To calculate the exact profit, find an online crypto calculator.