Quote Originally Posted by Chain View Post
So... the fact that they are adding choco rentals at the same time as introducing personal chocos tells me that the personal ones will either be extremely rare or very limited in use.
It could also mean that rental chocobos have set travel paths and you don't control them as opposed to personal ones where you can go where you want.

So you can rent a chocobo and go AFK while you get to destination. That is one reason I could see.