The key to financial success is investing. If you don't invest to build a nest egg, or to set and reach financial goals, then you'll have nothing to show for a lifetime of hard work. But, you don't want to invest your money just anywhere. You need to be wise about what you invest in so you can grow your wealth and become free financially. To make sure you invest the right way, Roy Matlock Jr. has shared the 3 Ds of investing in this episode of The Money and Business Hour.