I dislike my home life

Hey guys I just need some insight on this personal situation, I have a stepdad and he started a business, ever since then I have been working for my parents but I feel like they put the business above me every chance they get. I never thought that family business could be so toxic but I’ve grown to dislike my step dad because of his qualities as a person and because now I see him as a boss and someone that is always finding something wrong in what I do, rather than a loving parent. Since feeling like this, I’ve ended up hiding in my room often, doing hw all day and avoiding them at all costs, I also feel like I have no time for myself because of this business. I used to workout and I stopped because they always made me feel guilty for not doing things around the house instead, in the past few months I’ve lost 10 pounds that I shouldn’t have lost because I’m already thin enough. And I don’t know how to start putting myself first again, it seems like everything is about them and I live with them so I feel stuck most of the time. I also don’t make enough to move out. Any thoughts?