Instead of buying the Minerals and Fossils, he goes out himself and finds them, which has led to his collection of outfits for different places, Caves, Mountains and Jungles on the left, and Deserts and Oceans/Bodies of water on the right. His experience also means that people tend to contact him to search for missing people in those places or for body recoveries since his slim form (and again experience and skills) allow him to reach places where most others can't.