That's marginal income, which is not necessarily related to book value, and is almost certainly just a small fraction, which brings you back to less than $2,000

That's marginal income, which is not necessarily related to book value, and is almost certainly just a small fraction, which brings you back to less than $2,000 per person per year. I.e., it's not much, and you really can't extract it. Eating the rich doesn't work. It's never worked when it has been tried. It cannot work. It will never work.