Thinking about redoing the exterior of your home? While it’s unrealistic to expect architect-level work from people like your Aunt Sue, who wants to paint everything contractor gray in a fit of Fixer Upper passion, there are some common exterior mishaps that can easily be avoided. In fact, relatively simple exterior changes can breathe new life into a house, though it’s a fine line between CPR and suffocation. In the words of architect Mies van der Rohe: “God is in the details,” but, then again, so is the devil.