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By 2022 it not so difficult...
As it 2018 to 2022 4 years can do lots of changes.

ETFs can be approved within a few months..

250k a coin isn't that ridiculous. That would bring bitcoin in line with total gold valuation. It really seems inevitable to me as bitcoin is superior to gold as a money.

Weee! We gonna be rich! :-D

Who knows What happens in next when bitcoin was in 1000$ level it was rose upto $23000+++
level in 2017 so nobody knows in five years span it could have rose upto $250K mark also..