I’m I ungrateful and what should I do?

Me and my family have never had the most but we’ve never had it the hardest either. I’m not starving to death like some child in Africa but we definitely had our struggles. I’m 25 working a dead end retail job. My mom is old she worked two jobs most of her life and is at the point where she just can’t do it anymore even her doctor is telling her that. But I have issues with my mother, she’s greedy when it comes to money she’s had a falling out with other family members because of this and on top of that she makes dumb decisions and is bad with money. I’m living with her an my brothers we bought a house last year and we are constantly in a state of wondering how we’re gonna pay for it come the next month. My thing is I want to leave I want to be on my own and my younger brothers feel the same to the point where we’d thoughts about getting an apartment together. But ik my mom wouldn’t be able to pay this house alone obviously and we barely are doing that now as it is. My older brothers told me if I stayed with my mom and don’t get out early I’ll always be broke well I’m broke been this way for years and I got no clue what to do? Should I do what’s best for me or what?
I’m I ungrateful and what should I do?
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