“Does the owner have to take out a second mortgage, or a third mortgage, just to keep up with the taxes on unrealized gains?”
There will be crony capitalist companies that will attend to all the details as described in the FINANCIAL AGREEMENT prepared for you.
Simply sign where indicated.
It’s no more complicated than a Home Equity Line of Credit.
The only difference is the equity taken out gets deposited in a US Treasury account rather than an account of yours.
I can't decide by your posts to me.
-PJ