Enter it as other income.
Please follow the instructions below to report your cash (check) income on line 8, Schedule 1:
- Click Federal Taxes -> Wages & Income and scroll down to Less Common Income
- Go to the last selection, Miscellaneous Income and click Start
- Go to the last option, Other reportable income and click Start
- When it asks, "Any other reportable income?" say yes and then type in a description and the amount to report it on your tax return.
