Have you applied for child support and they just haven’t paid? If you haven’t applied, apply. It’s every parents responsibility to provide financially for their child and it’s every child’s right to receive that financial support. It’s definitely not depending on a man like the above stated, it’s called holding a man to his responsibilities to his child and holding them accountable while you do your part.

If you enroll into a community college they will watch your children while the hours you are in class you should be able to better yourself for your kids don't depend on a man who's not going to send you money I'm not judging or being rude I just think it's a good option

Also, look into newspaper routes in your area. Again you can bring the kids.

Sign up for door dash and post mates. You can bring your kids with you. Fast, easy good money.

Sell your car! Get out from under it. Take Dave Ramsey’s financial peace university course, you’ll learn so much, I did! The car you can’t afford is holding you back.

You welfare services in your town Dont supply free daycare?