Have you heard of cloud mining? This is a simplified mining of bitcoins and altcoins, which frees you from the cost of electricity, round-the-clock monitoring, setting up software and other difficulties associated with the classic mining option on your equipment.
Cloud mining is the same usual bitcoin and altcoin earnings due to computing power, only without using your equipment. With cloud mining of coins, equipment is rented from services (companies) that have powerful data centers with cryptocurrency farms.
I didn't use this services. I know about this opportunity. You can learn more about it.