"The inn has rooms that aren't very expensive... Just a few hundred of the poké-dollars." A pause, then he thinks to add: "You can earn enough to stay from working for a few hours somewhere."

The currency here is definitely a little different from what he's used to, so he thinks it would be the same for others.

"Oh, and I think maybe you can stay at the Pokémon Center for free? But you have to share a room..."