You have to pay Self-Employment taxes on your net profit.
See Schedule 2 Line 4 for the SE Taxes. Schedule 2 Part II Line 10 flows to Form 1040 15 Other taxes, including self-employment tax, from Schedule 2, line 10
Click on Tax Tools on the left side of the screen. Click on Tools. Click on View Tax Summary. Click on Preview my 1040 on the left side of the screen.
