It's reported on Schedule C for self-employment if you are a sole proprietor. In the TurboTax software you will enter it as Other Self-employed income. The step-by-step instructions can be found at this link. Scroll past the first set of instructions since you don't have a 1099 form.
You can also deduct any ordinary and necessary business expenses. This is a great article that can help you out with deduction types. Also, the TurboTax software has a great interface to make sure you claim all you are entitled to claim.
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