Miners will only pay for themselves if crypto prices stay high. If BTC gets to 5k miners will start losing money. And if you get locked in data center lease you'll be liable for rent every month. You will not mine when electricity costs more than mined coins. When this happens GPU prices collapse too which means all the equipment purchased now will be worth a fraction. And its not some doom and gloom scenario. Its happened before and more than once. As mining is profitable more and more miners get online until eventually difficulty gets too high and people start losing money and consolidation period sets in. Its just a matter of time.
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