Help with the immigration as 16 y/o Australian : immigration

Hey everybody!

For context: I am a 16 yr outdated Aussie attempting to get away from my poisonous as hell family/household. I’ve a buddy over in America who’s keen to let me crash with them for a bit. I am primarily taking a look at getting an E3 visa as an unskilled employee, or a Particular Immigrant Juvenile visa, as these are the two that appear like I’ve an opportunity of getting.

What I need assistance with: I am right here to ask concerning the technique of immigrating and/or getting a visa. I’ve tried USCIS.gov, but it surely nonetheless would not reply my questions, and I do not need to depart something to probability, so if anybody can inform me every thing concerning the course of, I would be EXTREMELY grateful. If anybody has had an analogous scenario, I would prefer to understand how you handled it.