The two-day pass was most convenient, and enabled us to see everything we wanted to see and more. We went at our own pace around the city - saw the sites, and did the Riverwalk at various other times, including the boat ride. Tower of the Americas was a bonus and we enjoyed that venue. Would highly recommend this package. Only other expenses were your meals, and parking. Shop around for a good price on parking. Those closest to the bus were the most expensive. There were other, cheaper parking options about 1-3 blocks away. Still, it was worth the price, and saved us driving around town.