Many, myself included, make lists of things that would be nice to have. However, we all seem to be ignoring political situations in that the law of contracts will no longer exist, and probably not many other laws either. Just because we all have read The Knowledge does not mean we will all be on the same page. Mob rule may be all too likely.
So, how to prepare? Become proficient in public speaking so your view can be heard over the noise. Learn about the several types of propaganda so you and your friends don't get snowed by those with private agendas. "Robert's Rules of Order" was also developed for a reason. Lastly, study B.F. Skinner's books on "motivation techniques".
Oh, yeah, some training in project management will be useful in group activities.