1099K - How to offset the income for cost associated

If this income is not related to a self-employed business, and this was occasional income with no profit motive, you can report Form 1099-K as the "personal item sales." 

1. From the Wages & Income section, go to Income from Form 1099-K and click Add/Edit.
2. If you've already entered a different 1099-K, click Add a 1099-K at the bottom.
3. Choose Personal Item Sales, continue, then enter the 1099-K information as it appears on the form.
4. Continue back to the Income Summary page.
5. Click Review beside "Investments and Savings..."
6. Continue to the page where you see "Needs Review" for your 1099-K for personal items. Click Review.
7. Complete the form to report the relevant information about the tickets and the sale. The amount in the Proceeds box must match the amount shown on Form 1099-K.
8. Continue back to the investment summary page and confirm the "total gain" for your personal sales is correct. If not, click the down arrow then edit.