I think where his grown kids were at figured into it, since they are the ones to take over his business. Ivanka, especially, runs a lot of the new acquisitions business and she was a new mom then. Eric was getting married. Don was the only one really ready to take over; but even he has five kids, so maybe they all needed more prep time. Here are just the buildings; there are also something like 17 golf courses, plus restaurants, merchandise lines, a property management business and television shows:
