Q&A: $1 Million Invested, $100K a Year to Live On. Do We Ever Need to Save Again?

A couple with $1 million invested may never need to save another retirement dollar, because that money could grow to about $4 million if left alone. The harder question is which spouse keeps working for health insurance. Paula Pant and Joe Saul-Sehy answer listener questions about cutting back work after building a nest egg, finding part-time work, college planning for retirees, and whether renting is financially smart.