My mother is emotionally abusing me and I can't leave, what would you do?

I need some advice on what I can do in the meantime while I make enough money to move out, but it won't be for another 3-4 months at least, or 1-2 years at most. I've applied for a second job so I don't have to see her as much, and I stay in my room as much as possible. Yet sometimes she catches me and she starts picking fights with me over everything.

For context, our political beliefs are the total opposite and so lately she has had a lot of things to fight with me about. On top of insulting me for my political beliefs, she also insults my intelligence, my lack of a drivers license, lack of financial freedom (As I work minimum wage), downplays my own trauma, complains about and shames me for relying on her, and countless other bullshit nitpicks she has for the week. She also continues to twist my words and play victim every chance she gets.

How should I handle this situation, especially when she just won't leave me alone? I've tried to just go along with what she says, but she finds something to be angry at still. I've tried arguing with her, but that just makes her even angrier. And as I've mentioned, I isolate myself but she seeks me out. I'd really appreciate any thoughts, because at this point, I have none.