I just wanted to ask whether it is against the Minecraft Eula if I sell ranks with rights on Minehub, but you can also get the ranks for free for infamous money?
It depends on what the rank can do. Just read the Eula for ranks sales.
It's about rights like Fly which, as I said, you can also get free of charge, excuse me, but somehow I can't find the EULA about the shops, that's why I ask