>>52724315He gotta have something to pay expenses given its costs money to travel at the extent he's traveling. Especially when it comes to boats and planes when going between regions or islands. No funding in the world gonna slap a sign saying free on it. Let's also not forget eating scenes imply he buying food. Gotta feed himself and his pokemon.
Sure there's a explanation that can be bullshited into existence but obviously in a realistic sense money is used somehow.
