Living with my MIL 😭

My MIL has been living with us for about 3 months and I hate it so much…I had a overall good relationship with her but living with her changed that…she has a 2.5 year old who she lets her do whatever she wants like she’s just constantly telling not to do something or come here but the little girl doesn’t listen bc she knows her mom doesn’t really do anything. She hasn’t had a job since she had the baby but she has plenty of money saved but yet she acts like she has no money…her car recently broke down so she’s been using ours and we’ve had to put gas in it twice already….like me and my bf know she has money saved up and when she moved in my bf had just lost his job so he didn’t have a job for 2 months and with a baby coming I would think she would’ve on her own tried to help out with bills or something around the house or even for the least pay for the gas she’s using in the cars….there’s so many other things that have happened and she’s really just taking advantage and my bf sees it but at the end of the day that’s his mom …I am currently 3mo pregnant and I really hope she moves out soon