It is not possible to own land or a house. The government you live under is the final "decider" of who controls that property at any given time. They can take it away from you, by force, for any reason. There might not be a law that allows them to now, but there may be in 10 years.

And if you didn't have the government to protect your virtual and temporary ownership of the property, you would have to defend it yourself. Which, while many may fantasize or even act to prepare for this, it is a very stressful way to live.

Bitcoin you can own. Knowledge and skills you can own. Relationships you can "own". But not property, not really.