Deductions & credits

If you have no income earned from working, you will not be eligible for  the refundable child-related credits like earned income credit or additional child tax credit.   Those credits are based on having income from working

https://ttlc.intuit.com/questions/1900923-what-is-the-child-tax-credit

https://ttlc.intuit.com/turbotax-support/en-us/help-article/taxation/additional-child-tax-credit/L6x...

https://www.irs.gov/help/ita/does-my-childdependent-qualify-for-the-child-tax-credit-or-the-credit-f...

https://ttlc.intuit.com/questions/1899157-what-are-the-qualifications-for-the-earned-income-credit-e...

https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/use-the-eitc-assistant