Bitcoin will definitely reach a substantial price, but it isn't going to go that high that you could buy a house.
Thats a nice plan to invest in house or properties if the price goes high suddenly. Those properties remains to be a backup at times of fall in value of bitcoin, So sure you can go for a house based on hike in value
The house will be a physical asset you can sell later, but it will carry expenses too, and people tend to forget about these expenses. < Municipal Rates & Taxes on the property / Maintenance of the physical structure > If you subtract that over time from the first investment and you received no rental income to cover that, you will find that the profit on that property will be much lower than what you
might have had, if you just waited for the price of Bitcoin to rise even higher.
I guess a physical property feels safe for people investing in traditional commodities like gold and silver and real estate.