Saving, spending, planning — you've got money questions and we've got answers. Every week host Alison Southwick and personal finance expert Robert Brokamp challenge the conventional wisdom on life's biggest financial issues to reveal what you really need to know to make smart money moves. In this week's show, Motley Fool Contributor Dan Caplinger joins us to answer your questions about the backdoor Roth IRA, navigating the new RMD rules, tax gain harvesting and more.