Assuming you did not open a corporation, on Schedule C Profit or Loss from Business. Record your earnings and expenses to determine your profit. 

Here's how:

• Click on Federal Taxes on the top row of TurboTax Self Employed Online.
• Click Wages & Income
• Under All Income, click Show all income
• Scroll to Self-Employment, click Start
• Click Yes to Did you have any self-employment income or expenses?
• Enter any income from sales or services that weren't reported on Forms 1099-MISC