Came out to my mom. Tl;dr it went well.
Holy shit that was so scary. Even though I had good reason to think it be would fine it was so scary and I felt all the self confidence I'd built up over the last few days evaporate. Still glad I did it though, no regrets. She loves me and she supports me, and she's also very worried for my safety because amerikkka and because we live with my other parent who is very abusive. She was completely caught off guard and thought I might have been gay which I am now so I'll take it. She's also worried about how the heck I'm going to afford any of this because amerikkka and because I've spent most of my life as an unemployed girl failure. I don't even want to consider getting a j*b before being a good amount into transitioning. If I'm honest with myself, it miiiiiight be the tiniest bit bearable sometime after that, but don't tell anyone because I don't want to seem employable. I have some savings to get started, but that won't last forever. Why does this all have to cost money?