stay at home moms

How do you save money when your a stay at home mom? I want to be a stay at home mom. My husband didn't think we could but his dad and stepmom just made a common to him about me staying home for good when baby #2 comes. I do ok with saving but my husband is not the greatest only if there is something he really wants. I'm already upset with the thought of going back to work after baby number 2. I wasn't this bad when I had my 1st. I didn't start crying until a month before I had to go back. I do a lot of consignment shopping for my son and plan to do so for this one to save.