It looks like you are using TurboTax Federal Free Edition online. You will need to upgrade to Deluxe or higher online for Schedule C. Those are the only online versions that support Schedule C. And if you have any expenses that need to be reported on Schedule C, only Self-Employed version will handle expenses. a
Or you can purchase one of the desktop versions and they all support Schedule C. You can find desktop versions here https://turbotax.intuit.com/personal-taxes/compare/desktop/
