If I earn under 4000 do I have to do tax return

The link below provides a chart that explains when you should file a return based on your filing status, age, and gross income amount. There are times when individuals who do not have to file a return file anyway:

• To get your tax withholdings back
• To get refundable credits you qualify for, like the  Earned Income Credit, the Additional Child Tax Credit, or the American Opportunity Credit

When clicking link below make sure to click see entire answer to open.

https://ttlc.intuit.com/replies/3302274