I believe this means you should have $50,000 in the bank or investments at 30 if you have a $50,000 salary by then, $250,000 at 40, $500,000 at 50 (if income do

I believe this means you should have $50,000 in the bank or investments at 30 if you have a $50,000 salary by then, $250,000 at 40, $500,000 at 50 (if income doesn't change)