I'm sure this has been requested already, but in case it hasn't been, I'll post it anyway! :P

PLEASE make interiors (walls, floors and lighting) learned items. I'd imagine an interface similar to barding changes on chocobos, so you can change your expensive pieces without them being destroyed. :3 I feel like I can't experiment with my house because I don't want to eat the cost of the items I already have, or don't want to spend the money on an expensive interior, only to not love it and have to completely destroy it.