(This is more of a generic forum rant and not targetet at you specifically)
The main thing you should do, if you haven't already, is to stop having childish special interests like pokemon, anime and scifi/fantasy. You cannot make money on those. It is fine to have them as interests, but they take away focus from having a life.
Find a special interest that you can capitalise on, like programming, or car repair - an ACTUAL skill that people are willing to pay for.
If you do that, you will be better of that some of the "i'm never growing up" people on this forum. It is possible that some of the low functioning people here who say they never can have a job - actually can have a job and live an independent life with some aid, it's more a question of having the right mindset than having autism or not.
Everyone should at least TRY if they have the slightest ambition to have control over their life.
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"It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring" (Carl Sagan)