Can you live on $4,000 a month? According to The Motley Fool, median monthly income for retirees is just over $4,100 a month. But determining whether YOU can live on that depends on where you live, your expenses, and your other income sources. And as Chad with Three Leaf Financial explains to Erin Kennedy, it also depends on:  Location & cost of living Monthly expenses & lifestyle choices Other income sources (Social Security, pensions, investments) Inflation & longevity To l