What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.