Where do I enter my business expenses in TurboTax CD/Download Home & Business?
Once you've set up your business in TurboTax, select the Business tab and then select Start/Update next to Profit or Loss from Business. Select Edit next to the name of your business. Scroll down to the Business Expenses section to select the appropriate category for your expense.
If you haven't set up your business yet, follow the instructions to do so. You'll then be able to enter your expenses in the Federal Taxes section.