You are, probably without realizing it, self-employed. You can use TurboTax Online Premier if your business
only claims standard vehicle mileage, phone expenses, and/or miscellaneous
expenses up to $100.
TurboTax Self-Employed provides full support for Schedules C and C-EZ.
The Self-Employed version supports additional business expenses,
including home offices and depreciation, and provides additional coaching to
maximize your business-related deductions.
Finally, if you have net earnings from self-employment of $400
or more, you must file Schedule SE and pay self-employment tax (the employer's
and employee's share of Social Security and Medicare taxes) on that income.