It would be cool but on a commercial trip like you describe it it wouldn't he enough for me. If I was gonna go to space I would want to go to Venus or space walk inside a nebula or some shit like that.
-Finish the fanfiction I've been working on for two years. -Finish the comic I've been working on for a year. -Get out of high school. As. Soon. As. Possible. Without failing, of course. -Get married. -Stop being such a loser.
Get my undergraduate degree. Get my masters. Get married. Have children. Run for office. Create a documentary that I will also commentate. Host a game show in which contestants guess the heights of various celebrities. Have a verified Twitter account.
Be independent, have a hobby and have enough time to make friends and sleep. All those things at the same time, specifically.