If you were self-employed for most of 2018, you should use TurboTax Self-Employed Online or TurboTax Home & Business.
They are basically the same product. The main difference is that the first is used online and the second is installed on a computer.
To help you choose between the 2 products, please read this TurboTax FAQ:
https://ttlc.intuit.com/replies/4883581
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"