They'd never feel hungry. They'll live 20 years longer on average. Have access to a diversity of food and entertainment experiences that would make their heads spin and drive a vehicle that by 1940s standards would be considered a marvel. Even the richest people alive in 1940 didn't have access to any of that.

A millionaire had way more than someone living in rural america does. Large percentage of the US population does not have 400USD to spare for emergency and again the cost of living is going up while salaries and jobs aren't.