If you worked for a business and received a Form 1099-MISC
reporting your income as non-employee compensation, then you are being treated
as an independent contractor and not an employee.
In the eyes of the IRS, you own your own business providing
your services as an independent contractor and you will report your income and
expenses on Schedule C.
For more information, take a look at the TurboTax article
below. The additional links at the bottom of the article will give you even more answers to your questions.
https://ttlc.intuit.com/replies/4243263