He filed the papers with each state, and paid the required fees himself instead of relying on the Party to do it.
You could do this, if you wanted. You do have to be a native-born American and I think 45 years old to be President. Take some strong positions (no matter how wacky) and put some speeches on youtube, and you will probably attract some donors.
Mental derangement and incompetence is no problem, apparently. You will find supporters that are just as crazy as you.
