[quote=@Dusksong]
[@balthazar007] double post 'cuz forgot to ask, but if we equip an item (ie the battle amulet) to a Pokemon, would we be able to switch items out mid-battle? Or no?
[/quote]

Like in the games, hold items will not be able to switch out mid battle. 

And thank you for answering [@c3p-0h]'s question regarding Pokemon leveling up. That was a comprehensive answer.