Well, housing costs alone will be 2x-3x and that is your greatest cost of living. A decent house in the midwest or south may be $150-200k, and in a high-demand suburb on the coasts will be $400-500k.
$500k+ will put you in/on Karsten Kreek. Considered one of the best golf courses in the country, it's private, green fees are between $180 and $300+ a round.