Looks like it takes six years to gross a U.S. career's worth of income. If you want to adjust for the increased tax burden from earning a lot in a few years, add an extra year. Maybe add one to two more years if you decide to live in the bay or in NYC. If you decide not to retire, lifetime earnings for a 40 year career comes in at almost $10M. One common, but false, objection to this is that your