You would only have to upgrade if the returns you are preparing have something which is not included in Deluxe, such as investments or rental income. This TurboTax page shows what is included in the Free, Deluxe & Premier versions of TurboTax Online: Online Tax Software
If you have Self-Employment income, you will need to use TurboTax Self-Employed Online.
If you would like a refund, please use the form on this TurboTax FAQ: How do I get a refund for a TurboTax product?
