Cash flow is our financial life-blood. We tend to think of cash flow as something that only businesses or governments contend with, but it is integral to our personal financial lives as well. Cash flow enables us to do what we want, and to help achieve our goals or objectives — whether that is to get a mortgage, save for a college education, take a vacation, and of course, save and invest for retirement.

Source: The Importance of Cash Flow in Your Personal Financial Planning – Penn Mutual