Hi Ruth, you really can do this. I interviewed a mom who writes for a living here and talks about the struggles with raising kids at the same time, you can read her article here https://triedandtruemomjobs.com/become-freelance-writer/. Us moms really have super powers, you can totally do this. Just have to find the right balance, I definitely recommend reading the above article.
Cafe Press: This website allows you to create digital designs that can then be sold on the platform. You'll earn a commission for everything that sells and you'll never have to deal with logistics like printing, warehousing and customer service. If you have some graphic design skills, then this is a great potential source for your web-based income.