The version of TurboTax Online you need to use depends upon whether or not you have expenses to deduct related to your 1099-Income. If you have expenses related to that income, you will have to use TurboTax Self-Employed. If you don't have any business expenses you can start in the Deluxe version. If your situation requires you to upgrade, the program prompt you and you upgrade while working on your return.
If you start in Self-Employed and later want to "downgrade" you will have to "clear & start over
For comparisons and pricing information for TurboTax see the following:
Online Products and
Pricing Guide
Desktop Products
and Pricing
