Here are the five questions we cover this week in Five Question Friday: 1. Should we park cash in a money market fund or a t-bill ETF? 2. Are Robo-Advisor Tax-Loss harvesting features worth it? 3. What is the Retirement Spending Smile? 4. What rate of return assumption should you use in retirement planning software? 5. Which IRA account types can be combined? Join the Newsletter. It's Free: https://robberger.com/newsletter/?utm...