Family problems

Sooo long story short...my mom’s husband recently went back to his country (immigration made him for 18months) and she didn’t have a job and no money so she had to come with us. She’s been with us for about 3 months now and still doesn’t have a job. Cleans a house twice a month to be able to have smoke money. I’m sorry to say but I wish she would get a job and her own place to live. I can’t stand the smell of cigarettes even though she smokes outside she still brings it on her clothes. She sleeps in my daughters room with my daughter. She barely helps out around the house. Never cooks even for herself. I have to cook something for her when I cook as well. I’m pregnant and due in a few wks. She don’t help out with the kids either. I just want my house back but don’t have the heart to tell her because she has nowhere else to go