Where do I go from here?

Hello. I am new to this forum. My mom has dementia. It started when she was 54 years old. She is now turning 62 in August. We are at the point where she has been hysterically crying for the past 9 days straight. She started Rexulti in December of 2025. We were thinking that maybe that could be part of it. She is now losing her ability to feed herself. She consistently wants to go "home" when she is home. Even when she's out of the house and looking at things or sitting with other family at their house, she wants to go home. She goes to my father's mother's house once a week, and they usually bake while listening to music. This week, she was there for an hour and burst into tears and said I want to go home. I talk to her on video chat daily. I also go there twice a week to bathe her. She gets in the shower the rest of the week, and I just make sure that her hair and everything are getting cleaned up. Over the past 9 days of crying, she screams can you please come help me. Luckily, I only live around the corner from her, so I immediately get in my car and go to her, while I'm on the phone with her. My father is there taking care of her, and they also have a son with Down Syndrome living with them. My mother's family has all passed except for one person, and she lives in NV. We call her every week and any time that my mother asks for her. We have tried calling the Office of the Aging. We are looking to get an elevator installed in the house because she has been falling a lot lately. Neither of which has called back. Anytime we reach out to anyone just for some support on how to handle things or what steps we should take, they immediately ask about our income. We know we don't qualify for most things that are offered because we can only get Medicare, and she also has insurance through her former employer, which is the federal government. I'm sorry for the ranting. I just don't know where to turn. My father is getting upset, and I'm afraid he will lose his patience or get sick himself. It has caused a feud between him and me, only once so far, but I'm sure that won't be the end of it. Since he and I are the only ones to care for her, I don't want there to be tension and for her to get worse because of it. Any advice is greatly appreciated.