Full-service properties may offer higher yields, but select-service hotels are less expensive to operate. : If the hotel sector was being reviewed on a website like TripAdvisor in terms of 2019 opportunities for high-net-worth (HNW) real estate investors, some segments of the industry might earn five-star status, while others might be a couple of notches lower. But just as with guests’ opinions about hotel properties, real estate professionals don’t see eye to eye when it comes to which types of hotels are white-glove picks for HNW investors and which ones have room for improvement.