Once you have your return open, or you are all the way signed in (you see Federal Taxes on the left side menu), search for Sch C and use the Jump to Sch C link to be taken to your business/self-employment summary. Click Edit or Review next to your business you want to add the expense to. Then scroll down to the Expenses/Common Expenses section to enter your expenses.
Where do I enter my business expenses?
Where to enter expenses in the Online Premium version
Hope this helps
Once you have your return open, or you are all the way signed in (you see Federal Taxes on the left side menu), search for Sch C and use the Jump to Sch C link to be taken to your business/self-employment summary. Click Edit or Review next to your business you want to add the expense to. Then scroll down to the Expenses/Common Expenses section to enter your expenses.
Where do I enter my business expenses?