Ask HN: If you were seventeen and had passion and time what would you do?

Hello! I would take a gander and say I'm one of the youngest startup employees on here. I work for a pretty nice startup that deals in social political advocacy. I just graduated high school and have been dealing in the web since I was 12. I taught myself CSS/HTML and have learned through many designers how to tell the difference between good and bad design. I'm a fan of usability and helping people do things easier. I am always looking for ways to make things better from the minute I step into a room.

So my question: Say you were 17, had little monthly expenses (<$250), and had a decent amount of free time on your hands taking a year off from college. What would you do to make the best of it? Projects, jobs, knowledge, or what? Or if you could have gone back to my age, what would you have done or done better?

As of now I would say I have a basic understanding of the startup world and business process. I am proficient in HTML/CSS and have little knowledge of an actual programming language but am familiar with how it works. And on top of it all, I have a huge passion for the web and learning new things.

Thanks in advance!