You may want to contact social services in her area & have them check her living conditions out along with her. Let senior services in that area take care of matters. Just be careful that in trying to help her, that you don't end up responsible for having to clean up her problems, making sure her bills/business is done each month, dealing with health issues & other things associated with her.
My husband & I found out the hard way with his sister in a similar situation. In trying to do the right thing, for about a three year period, it was like a never ending sh!tshow. She brought it to an abrupt end one day when she decided to move away from the area without notice. That's when we handed her everything back & walked away. He & I both agreed we wouldn't ever do what we did for her again.
I don't know what type meds she is on (if any) or if she is able to take them as she should. However, if someone wants to put her on head meds like they did with my SIL, it made matters so much worse. That is a long story in itself.
I don't mean to sound harsh to you wanting to help, but this was my experience & I don't wish what we went through on anyone else.