While I agree that a higher IQ does not nessicarly equate to high wealth every source I could find in a quick Google search seems to show a near linear correlat

While I agree that a higher IQ does not nessicarly equate to high wealth every source I could find in a quick Google search seems to show a near linear correlation between IQ and income. I'd say this backs up what the GP was saying. For most very "wealthy" people it is built over many generations and passed down.