Seriously nagging grandma

My grandma wanted to live with me and my kids. I was happy where i was financially and mind wise but she was adament so we got a house together. shes a hoarder of nice things and i mean clothes, food, ornaments etc. Honestly she has too much things like 3 lounge suites is too many for 1 smallish lounge and i was the 1 who had to move it all for her in my 2 door car. I Borrowed a car and trailer and had to carry it by myself as it was only myself who would help. Did i mention she moaned about me doing it by myself because no one wanted to help because they didnt want to hear her either? Took me 2 weeks all the while working and taking care of my kids just to move her in. From day 1 she has nagged from a spoon in the sink to a drink bottle on the table while the owner has gone to the toilet (2 mins tops) because it shouldnt be left unattended. Always talks negative. Anyway, before i moved in with her i told her own kids to take her in. They All said putting it nicely no. Feeling sorry for her i did. I put my dreams on hold for a couple months to settle in etc. Being single with kids with 1 average wage it was alright. Adding someone else who undermines your parenting and nags and moans is not. She talks nasty about people and gossips to the rest. I read alot from buisness etc to actual books. Dont like shopping. I live very basically or am a minimalist and she hates that I teach my kids the same except they love to shop (all kids do) my kids be good or bad and she buys them lollies and moans about it. i just got my abn, gst, registration etc for my own buisness as i had started to do this a year ago but had to put things on hold due to her illnesses, moving in with her etc. I work night shift and have trouble sleeping. She likes everyone up by 7am. I finish work at 6am. I sleep when i can. At work, in my car, at someone elses if i have to. She wants me to tell her things that are happening in someone elses life and gets nasty when i say not your buisness so stay out of it. I like my privacy. Tells me she needs to know everything i do or where i go. Im not allowed people over ie males not that i would ever disrespect her or my kids like that with a stranger as she calls them or a s..t as she called me yet i havent been with anyone for 3 years. today Ive told her im moving out. Ive had enough after a year. Even said id keep paying the rent. I need to deal with myself and kids 1st and foremost. Now shes tryna make me feel guilty. I talked to 1 of my parents and they understood everything i said. They took off when they were younger to get away from all of the negativity but it followed them a few years later. Theyre devorced now due to themselves not anyone else. I want my life back and the chaos gone. Am i doin the right thing? Advice please