Of course you can do that if you want. and legally indeed somewhere. In Italy you can also buy a full house and pay in BTC! It's happening guys - even if you do not understand how and why you cannot stop us from becoming worldwide addopted. You can stay sure tou can payback your car and buy 2 same cars from 5 years maximun if you sell now. Just do not trust in ups and downs market scheme and others ponzi's .
10x takes much longer than what you was said.
It is not a question of opportunity, but a question of consequences, that is discussed here. A person wants to invest a large amount of naive believing that he will get bitcoins of 500k. It is nonsense. Bitcoin is certainly a good thing. But it is not permanent. And I'm not used to meeting someone's hopes. It must be used, not put on its own fate.