Get your taxes done using TurboTax

To enter your self-employment expenses

In the Self-Employed version of TurboTax with the Federal Taxes tab:

• Click on the Federal Taxes tab
• Click on Income and Expenses
• You may see a prompt for Self-Employment, but if not
• Click on Check for More Income and See All Income
• Scroll down to the Self-Employment section with the blue person icon
• Click on Show More
• And Start or Edit. 
• Scroll down past Expenses line and click on the blue
• Add More Expenses for this work button
• Select Advertising and Continue for Web site creation and hosting
• Click on the blue triangle next to Less Common Expenses to see the full list of expense categories
• There is an Other miscellaneous expenses category for expenses not on the list

TurboTax provides the option to type in a description, so you can indicate what exactly they are.