Napoleons favorite chud

Hypothetically, a crazy person offers you $1 million for 1/1,000th of the equity in your house. You still get to live there. They just own a tiny piece and hope it goes up in value. You take the deal. Congratulations, your house now has an implied valuation of $1 billion. you’re a “billionaire” Do you have a billion dollars? No. If the government wanted to tax you on your unrealized gain is there a money dollars to take? No.