You can use the steps below to add a new business, as well as how to remove the old business from your return.
To add a second business onto your
return in Self-Employed Online:
1. Type "Schedule C"
into the search bar in the upper right hand of the screen
2. Select "Jump to Schedule
C"
3. Select "+ Add Another
Business"
To delete Schedule C in TurboTax
Online:
1.
Go to "My Account" in the top right corner
2.
Select "Tools"
3.
Under "Tools Center" select "Delete a Form"
4.
Navigate to "Schedule C(business name)" and select "Delete"
next to it
https://ttlc.intuit.com/replies/3300011