@Skye109
I'm very sorry to read your post 😔
This is a tough situation.
My first point is probably moot at this point but:
If I were to put DC in to after school childcare it costs either the same as what I take home or sometimes more, so it's financially pointless.
Women need to stop thinking this way.
You need to see childcare as a shared cost (so proportionate to each person's salary). Then you need to see your work as not just money on the table but as a longer-term investment in you and your career. (I appreciate this doesn't work for all roles or where the woman doesn't see her work as a career, more about earning a certain amount).
But your situation is more complex.
This man is abusive and nasty. There is always a way out. I thought exactly how you did at many points, that I had no choice.
However when I was inches from a breakdown I knew I'd no choice but to end it, for my sake, for the children's sake.
There have been many compromises required. On bad days I feel full of sadness for what I / DC had to give up (other days I feel ok & proud of what we've survived).
I would start by getting some legal & financial advice, and checking your entitlements. You are doing pretty much everything - it may be easier to do everything but without him.
Yes, you may need to sell your house. How viable that is depends on the rental situation where you live, the equity in the house etc.
My life is not easy. I have few friends. No relationship since my marriage ended. But I've survived. I've a job I like a lot. Kids are doing well. I don't have to dread the key in the door. I'm increasingly immune from his abuse.
Someone quashing your spirit is not something that's worth accepting. I promise you there are options. 💐