I have sold on amazon. How should I file that?

Thank you for choosing TurboTax,

You should declare your business income and claim expenses related to Amazon.

To enter your business income and expenses, please follow these steps:

1. Skip ahead to the Self Employment section by selecting the magnifying glass from the menu.
2. Enter self-employment in the search bar. 
3. Select Self-Employment.
4. Select Go.
5. On the Your Self-employment Profile for 2020 screen, select any applicable boxes.
6. Select Continue.
7. Select Enter New Business for.
8. On the Your Business Income for 2020 screen, select your business type from the dropdown menu. 
9. Select Continue. 
10. On the T2125 Business Statement screen, enter the basic information about your business.
11. In the  "Internet Business Activities", enter the main webpage or site address(es) (also known as URL address(es))
12. In the "Income" section, enter your income amounts.
13. In the Calculation of Expense section, fill out  your expenses
14. When finished, select Continue to claim your income and expenses.