I think there should be a topic for random tricks/advices/bugs (if there are)/ and funny things you find in SMG2.

Just discovered that the more star bits you deposit to the Local Bank Toad, he'll start updating he's outfit.

First he'll be a normal Toad, then he'll be wearing glasses (don't remember how much Star bits exactly)
2000 Star Bits - Knight Toad, with a shield and Speer. He said he thought someone's after these Star Bits so he's protecting them. Let's see what happens after