Louie does have to think about this, because the things he'd want back home don't matter much here, if they're even available at all. But after a moment-

"You know, riding Lexington is kind of getting uncomfortable, and a saddle for her would be great. I've heard they make them for Pokemon like Rapidash, which I guess makes sense." He shrugs, then glances at Rei. "But I don't know how much something like that costs, you know?"