Libertarians seek to maximize political freedom and self-rule, they are skeptic of authority and state power and they uphold liberty as a core principle.
Libertarian theory believes in the freedom of thought and individualism. It believes that there is no control of authority, that there should be no censorship, no interferance and that everyone has the right to voice their opinion. That everyone should be allowed to decide which information they need and the genuineness of the information.
Working out is good for your body, so that can save you visits to the hospital (generally), and in a long term, that would save you money. If you are unhealthy, then you might encounter more health problems, and that could sum to a lot of money you could have saved.