You can use this interactive IRS tool to see if your income works for EIC:
https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/use-the-eitc-assistant
https://ttlc.intuit.com/questions/1899157-what-are-the-qualifications-for-the-earned-income-credit-e...
And do not confuse EIC with the child tax credit. You cannot get CTC for an 18 year old--you lost the CTC when he turned 17. Now you can get the $500 credit for other dependents for him.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
