I need some help
I am currently 15 and I would like to start taking T this year, but the only thing holding me back are my parents. Someone told me to wait till I turn 16 which would be next year, but to be quite honest I can't wait any longer. Although, they said to wait till I turn 16 so if things get bad I can hopefully have a car by then and leave. My parents are very transphobic and in the past said slurs along with other things I will not repeat to me. Plus when I tried packing with a sock and my mom found out she held a belt to my face, but luckily my dad stopped her (this was a few months ago). My parents still aren't supportive but are learning to tolerate it to the best kf their abilities by buying me men's clothes, giving me a little more leeway to choose what hairstyle I want (not allowed to get a haircut), and let me go to two pride events thats about it.
My concerns are that my parents see and hear the effects on T and take me to the doctors to get evaluated. Which could result in them telling my mom to get my hormones levels checked and probably have me take estrogen. And or confiscate my things including my phone as punishment for "hurting my body" for these changes. Lastly, I could possibly get kicked out but I very highly doubt it because my parents especially my mom care about the family image and me getting kicked out will reflect poorly on them.
Although, what do yall think should I get that DIY T now as a 15 year old or just wait until im 18? Also should I change my name in the school system as well or would that be a bad decision?