What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits.