I'm not an attorney but maybe you should consider his threats to evict as a blessing? It sounds to me like you need a better home to live in, I would take pictures of the house, possibly even have a city inspector come through and document the problems that way when/if they take you to court...
My ex-husband and I have been divorced a little over 6 years now and he pays me $150 a month for our daughter who is now getting ready to turn 10. I have taken him to court 2-3 years ago to raise child support and he filed a motion to get custody of my daughter, but the judge at the time said...