We moved in with her last November, with a view to save as much as poss to buy our first home. (me, husband and two year old son). I knew it would be tough going but it is proving extremely difficult to get through it. Things started off okay, but gradually over time we are all getting on top of each other. It's a small three bed cottage with a very steep garden that I can't really let my son go out and play in. We never asked her to move in, we told both parents that we needed to save more so were planning on moving further out and cutting down on rent. She then offered to have us stay and we all agreed on a price (£200 per month) plus us buying the weekly shop (which is working out at £400-500 per month). My husband and MIL have a very strained relationship without these added issues. He seems to hold a lot of resentment towards her, probably from her lack of being there for him as a child, but also because she highly favours her other son, the youngest child, and hands him money whenever he asks for it. She will often comment on our parenting, making comments about our son having a dummy (which isn't often, only for sleep) what we feed him, and that he needs to e potty trained. I tend to ignore these comments but my OH snaps and tells her to butt out (she doesn't like this). On top of that she never ever goes out unless she's working, and pretty much takes over the living room. I find myself going into our bedroom in the loft often as we don't like similar stuff on telly and obviously I like to have a bit of space or privacy. This doesn't bother me much and I know it's her house so need to be respectful but it would be nice if we had just one evening to ourselves. Anyway, to the main issue. Yesterday, OH sister rang me at work saying she had received messages from their Mum saying she feels unappreciated and like a 'human bank'. She then asked me if I would call their Mum and ask her how she is. I knew she was working so I text her and said would you like to have a chat this eve? She didn't reply. I then bumped into her after work on the high road, she kept her head down, so again I said 'do you want to chat?' she firmly said no and walked off. This shocked me tbh! I then told my OH to speak to her at home alone and try to work out whats going on. He got home to her in her bedroom with the door closed, knocked on the door and asked her whats going on. She said again that shes a human bank and no one cares about her and to go away. He left the room and told me we may as well move out. If I'm honest I will happily leave (but its hard because our son goes to a local nursery here which he loves and my job is much closer to her house) but it's do-able. Since then we have not had a word out of her, I've had another call from the sister again saying that it needs to be sorted, and just now received a message from MIL asking to have a meeting this evening because she is upset about quite a few things and hasn't been able to express herself clearly. I am more than happy to do this, but I can't help but feel angry. I really do try my best whilst living there, I never leave any mess after myself or our son, both me and OH cook most evenings, I hoover, I do her nails and waxing whenever she requests it, and I am always polite to her. Now I know no one is perfect, there is obviously something I've missed but what on earth have I done thats so bad? Has anyone been in a similar situation before? Any advice on how the hell we get out of this without a massive falling out? I honestly feel like I'm on the verge of saying something I will later regret.