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You shouldn't be mining bitcoin right now; it was more profitable to do so a few years ago. Instead, you should invest in bitcoin by purchasing it when its price is low and holding onto it until its value increases later.
Right now, it's too late to mine bitcoin.
No it is NOT too late to mine
BTC --
provided you have access to very cheap power. The only problem is that most folks have power that costs too much to do it profitably.