Here are some considerations when you choose which Online edition to use:
Online Deluxe is not the same as the desktop Deluxe. Online Deluxe has some form limitations that the desktop Deluxe does not have. Online Deluxe cannot prepare schedules D,E, F, or Schedule C with expenses. It cannot enter a K-1.
Online Premier cannot prepare a Schedule C with expenses, or Sched. F.
If you used desktop TurboTax for 2017, here's how to upload your *.tax2017 data file to transfer it into an Online 2018 return.
<a rel="nofollow" target="_blank" href="
https://ttlc.intuit.com/questions/1900883-how-do-i-transfer-last-year-s-return-in-turbotax-online">h...>
