No Cash, No Checks, No Problem Peer-to-peer payment apps are one of the newest ways to send money. Share | Related Content Keeping Up with the Joneses Lifestyle inflation can be the enemy of wealth building. What could happen if you invested instead of buying more stuff? The History of Currency Currency has been around for a long time. Here’s a quick history lesson. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.