Good suggestions. Hang on Nyte.... remember, one day at a time. When it gets too nuts, do one minute at a time.
Put in ad in the local paper or an on-line site and look for some help. Talk more to your pastor... can he suggest some services or perhaps there is someone in your church who would be willing to help, or barter or as suggested, needs a place to stay and could help out.
Prayers going up for you and the kids. Be grateful that you have removed some of the chaos in your life. Once I made my decision and was certain, I have always said, "I don't care what I have to do, what it costs me, etc.... I will make it work somehow. At least I am free from his crazines... at least semi-... he is my kids Dad.
It gets better. Hang in and keep talking.