@VofEscaflowneThe Wii U version was a real bitch, but it feels like I can just boost against the walls, Burnout (3+) style, and stumble my way to victory in RMX. As long as I don't hit an instadeath obstacle or fly off of the track.
I guess the main key is to hit as many boosts as possible and pick up orbs regularly. ABB. Always Be Boosting. It seems like, as long as you have one orb, you can boost.