What can I do to earn more money?

Sorry, i cant help you.i am in the same situation. So im here to explore other ideas and posibilities.

To get a fixed and stable income is unlikely through online sites - the better way would be to look for a job that pays for real! siva

When I thought of becoming a stay-at-home mom, I thought of a few options I might be able to do while I am at home - babysitting, giving private tuition, selling handcrafts or selling things online. I think giving private tuition can earn better here, and it's not so tiring or time consuming. Besides these, I also think of making money online. Though I might not be able to earn much, it'll help a little bit. If you are interested, you can check out some freelancer websites, such as UpWork, Fiverr, PeoplePerHour. I thought of joining these freelancer websites to get some freelance jobs as well, but I end up too busy with my kids and I can also find some freelance projects locally sometimes. I have friends who set up online business too. That can be an opportunity, but it definitely requires time and patience to build up the business.

Your child seems so little and I remember that you can't have help from your parents-in-law. So it may be a little difficult for you to find a part time job. Your English is good, perhaps you can see whether you can find a part-time job to teach little child English nearby your house. At least it will not spend you a long time. You can still have some time for your family and work.