How much money should he bring?

The Trading Post is a welcome sight on a hot day...The Trading Post is stocked with many items, including souvenirs such as T-Shirts, Hats, Cups and so forth. It is also stocked with popular snack items - Drinks, candy bars, crackers, ice cream, etc. In addition, there are handicraft items which include leathercraft kits, indian necklace kits, basketry kits, and the like. Therefore, a good starting estimate would be $25.00.