Since you're talking about itemizing it suggests that you got a 1099-NEC or 1099-MISC. In either case it would suggest that you're dealing with a self-employed business situation.
Depending on what you're doing, there could be many items to offset your income.
- Cost of goods sold.
- Internet access.
- Related travel.
- Advertising cost.
- and many others.
If you use the Self-employed version of TurboTax, it will provide a list of possible alternatives.
If this was not the question, please give us a more detailed description of what you need.