I'm not even sure where you'd start...I thought about the same myself before I realized how much I hate college!
With the whole "selling your soul" business, I really don't think you'll need to do that considering what we stand for. Think about it, Dems compromise with more economic freedom to please the Reps, and the Reps compromise with more personal liberties to please the Dems...
If I knew one politician who actually spoke and acted how they should, according to their party, even 75% of the time, he/she would have my support all the way. Besides, a majority of Libertarians are sick and tired of Reps and Dems bending over backwards to please each other--we get the same crap no matter who is in office.
So stay true to your beliefs and you'll go a long way!

And very best of luck to you, let us know if you truly pursue this.