Income on a 1099NEC is self-employment income. If you have even $400 of self-employment income you are required to file a tax return and pay self-employment tax for Social Security and Medicare. So, yes, you must file a tax return.
If you have self-employment income for which you will pay self-employment tax for Social Security and Medicare, you will need to use online Premium software or any version of the desktop software download so that you can prepare a Schedule C for your business expenses.
https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...
https://ttlc.intuit.com/community/self-employed/help/what-is-the-self-employment-tax/00/25922
https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/enter-self-empl...
https://ttlc.intuit.com/community/business-taxes/discussion/self-employed-don-t-miss-these-tax-moves...
https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/enter-schedule-...
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