You can get started in the Deluxe version of TurboTax, then if you run into something that will require you to upgrade to a higher version you can do so within the program without losing your information.
If you receive a W-2 for your work, then your unreimbursed employee expenses and your qualified home office expenses are deducted on Form 2106 as Employee Business Expenses.
These expenses are then included on Schedule A Itemized Deductions as a part of the deductions limited by 2% of your adjusted gross income. So, be aware that unless you are itemizing deductions, including the employee business expenses may not affect your refund/balance due.
Keep reading for more information, including how to add these expenses to your return.