Mother-in-law Hell

Background: My husband is an only child of a single mother who suffers from a laundry list of “serious” conditions. I am the youngest of 7 children and my parents are still married and hearing impaired. We have 2 daughters together and are both military.
My MIL has always made my life hell beginning with telling me that my husband was cheating on me (it wasn’t true). I have always taken it with a grain of salt because she suffers from dementia and her own mother told me she was evil. So when my husband was in Iraq for his 3rd tour she came to live with me. At the time my children lived with my mother because I was on a shift rotation with my position. She couldn’t pay her bills and was near being homeless. I offered my home and even made EVERYTHING in my home comfortable for her and her numerous disabilities. I worked 16 hour days and came home late every night. She always complained that I was “never paying attention to her” and needed to call her bill companies and arrange her budget. When I did and called her insurance company, I found out that many of her ailments were FAKE! and she had never suffered from any of them. She asked me to pay her bills up to date (I have 2 girls under 7 y/o) which I refused and to move to another apartment because mine didn’t have a wheelchair ramp. Then I lost my cool… after years of her BS I lost my cool. I blew up and let it rip. When I did, I found out she has insurance on my children with her as the beneficiary and she blamed me for her son not wanting to deal with her. So when I left the apt to chill off, I came home to an empty house…. where was she? She walked to the apartment of my maintenance man and woke his family up at 1130 PM screaming and crying that I threw her out and hit her. He came to my door and asked me to get this crazy woman because his wife was going to flip out if she didn’t leave. At this point it was incredibly dramatic. She refused to come home and walked to the front office and called her sister who was in the hospital with brain cancer and demanded her to pick her up. She called me every name in the book in front of these unknown people!ARGH! Then I got the rundown… She would go to the front office of my complex everyday and sit there watching TV, all the while telling EVERYONE who would listen to her, that I was abusing her, hiding food from her, stealing her medicine, taking her son (imaginary husband), and keeping her from her cancer physician (she didn’t have cancer). I have always wondered why they would look at me funny when I paid my rent and now I know. I have never been so mortified in my life. The next day I lived up to my word. I dropped her off at the train station, made her carry her own luggage to the car and into the station, made her pay for her own ticket and left her there. I don’t care who says this was mean. I wanted it to be mean. TEN FREAKIN’ YEARS OF HER!!! This was the least that I could do to teach her a lesson. My husband agrees that needed to happen and she hasn’t called me since. Oh, and my children are going to hell BC they are Catholics being raised by the deaf and DUMB! ARGH!! She is a Sheppard from the devil!!!