Yes it's possible to have a Schedule C and claim expenses if you receive a W-2 also. The W-2 will go on your personal return, while the Schedule C is for your business or contracted work.
To add a W-2(TurboTax Self-Employed):
1. Go to "Personal" at the top of the screen
2. Select the "Personal Income" sub-tab
3. Select "Start/Revisit" next to "Wages and Salaries"
4.
Select to add a W-2
To Get to Your Self-Employed Business Expenses:
1. Select "Business" at the top of the screen
2. Choose "Continue", then "I'll choose what I work on"
3. Select "Start" next to "Business Income and Expenses"
4. Select "Edit" next to your business name
5. Scroll down to Business Expenses
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