In this episode, we'll discuss the so-called "rules of thumb" for withdrawal rates in retirement.  These "rules of thumb" can range from 4% withdrawal rates to, most recently, 8%.  We'll discuss why such rules-of-thumb are probably not appropriate for most investors.  We'll discuss two concepts: sequence of return risk, and the difference between geometric and arithmetic returns in an effort to explain why these rules-of-thumb should be used with caution.