I employ a few kollel wives , it is not as hard as people think to get a job there , you just have to be willing to compromise. for starters post on the forums that have frum business owners.
Providing day-care for Joseph (assuming he lives in Yerushalayim) would not be especially compensatory and comes with a host of other issues for any normal baas yisroel.
Reminder that an A/2 and certain student Visas doesn’t always allow Americans to work while in EY and a separate work permit may be required. Don’t automatically assume your Visa automatically allows you to work while your husband is studying in EY.
You may want to try Chaim V’Chessed, an organization in Israel that assists Anglo’s with a variety of issues. They can be reached from the U.S. at 718-407-2448 or from Israel at 072-CHESSED.
The Ramat Eshkol nshei email always has job opps. Also, check the Pirsumit- its’ a paper circulated in American neighborhoods in Yerushalayim. You can see it onine and Pirsumit.com.
maybe you can try vipkid.com-teaching students english online from the comfort of your home. i saw a kolel wife advertising that she would help anyone get started but i don’t have her info, good luck! if you’re serious you’ll find something בסיעתא דשמיא.