How do I become self sufficient?

I am 20 years old.I withdrew from college because of major depression and my parents have me in complete isolation from everyone because they don’t like a lot of decisions i’ve made so me getting sick was the perfect time for them to take my car and send me to my godmother’s house away from familiarity and friends which is only worsening my depression. I know I need to break away from them, live my own life but I have no idea how I can support myself to be able to get an apartment, buy a car so i can be in a place to go back to school..Someone please help me because this is a move I KNOW I have to make for my well being

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