Tell that to the family who sold there house and all property for money then invested it all in bitcoin when bitcoin was 3000 USD now his money is quadrupled and they still did not convert it back to fiat, because I am sure you can buy a house with bitcoin now and there is no need too, when the price will go to 100k and up.  


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This is maybe an option for a single person who is risk taker with no dependents but in my life, considering I have a family of my own, this is definitely not applicable and not even a choice. Besides, in my personal opinion, I do not find it practical. Having a house to live in is one of the essential need of man.  A comfortable place to rest is important. I just don't imagine myself living on street just to earn more money.   It is not bad to sacrifice something to be able to buy bitcoin but not up to extent that I will sell my house. 
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You depend too much on the system that means, you cant survive without the daily things.  All you need is a wireless laptop, solar charger for the laptop battery and wifi connection to a hotspot or a prepaid as you go internet card.  If I can get my mother in law to sell their lands I would.