And don't forget to multiply each of the "investment income" numbers by 25 for a rough calculation of their wealth, assuming a 4% return on investment. For exam

And don't forget to multiply each of the "investment income" numbers by 25 for a rough calculation of their wealth, assuming a 4% return on investment. For example, that family of six with $180,000 of passive investment income has net worth of $4.5 million. They could move almost everywhere in the U.S. except Manhattan and San Francisco and never work another day in their lives.