Unplanned pregnancy

I have a two year old and my youngest just turned one. I just found out I’m pregnant again and it wasn’t planned. We aren’t financially stable and I was planning on going back to school then getting a job so obviously having the baby would make our lives incredibly more difficult. I’m not against abortion but idk if I could ever bring myself to do it. I have always known I wanted to be a mom but this pregnancy is gonna be so hard on me and my husbands relationship. Has anyone gone through this and have any advice?