No Cash, No Checks, No Problem Peer-to-peer payment apps are one of the newest ways to send money. Share | Related Content What Our Kids Can Teach us About Saving Money Would you guess that Millennials are effectively saving for retirement? Well, they are. U.S. Personal Savings Rate What can be learned from the savings rate? What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.