How To Use Single-Player To Your Advantage in Online Battles.

Thats what im doing right now with the amiibo challenges. Have all three to do all of them. Aside of them being limited but lets you do areas as fast as you can. This topic actually shows that you can use single player to help with online. Good job mate :)

Short but otherwise good

great

a very interesting use for Single Player.
I shall try this later, if I can: nice job!