Planning your first trip to St. Thomas? The island is easy to enjoy, but there are a few common mistakes that can cost you time, money and opportunities to experience the best of the U.S. Virgin Islands. Here are seven simple tips to help you make the most of your vacation. 1. Waiting Too Long to Book Activities Popular excursions, fishing charters and day trips often fill up well before arrival, especially during peak travel seasons. Booking ahead gives you the best selectio