Here is an example itinerary to better help you understand the financial benefits of the pass. This four-day itinerary begins in Zurich, takes you on the Mount Rigi and Glacier 3000 mountain excursions, includes a panoramic ride on the Glacier Express, and covers visits to various Swiss cities.
Please note that the train fares mentioned are for 2nd class seats. The Swiss Travel Pass cost shown here is for a 4-day Pass + 2nd class seats.