When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.