Tips and advice for moving out at 18?

Alright, I know this is a commonly done topic here on YA, but I would like some insight onto moving out at 18. So first off, I would like to move out because I feel like a spoiled brat (take a look at some of my previous posts if you want proof) who doesn't appreciate anything and is too sheltered from reality. I feel that my parents don't really love me because they conceived both me and my brother out of wedlock and my Dad's abused my Mom, me, and my brother. On the flip side, I also get very spoiled, such as getting a $200 debit card for my 16th birthday (stupid isn't it?), among other things.

I've looked at some of the other posts and on other websites about this and know this is going to be difficult, so I am working very hard in high school right now to make sure I can be employable, and as soon as I get a car I will get a job and work very hard to get a lot of money to move.

I will be moving out-of-state however (I live in MN), and am going to move to a cheap state (I'm considering NM or AZ), and take as little things as possible (basically my car, some clothes, and an iPad), and will either get a cheap apartment or rent a room.

After a couple of years of doing this, I would like to join the military because they pay for your college and they would discipline me very well, all while getting the prestige of serving your own country.

Any other tips and advice for what to do when moving? Personal testimonies would be great! Is my current plan also well though out?

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