Yes, we can help. You are completing the correct form, Schedule C. As far as the business code you can choose from the list in the link or you can simply use 999999 which is a 'catch all' number to use. The business address is most likely your address if there is no separate business location belonging to your husband.
Any net profit will flow to Schedule SE and also the 1040. You can preview your 1040 and Schedules 1,2, and 3 before you file.
- From the left rail menu in TurboTax Online, select Tax Tools (You may have to scroll down on the left rail menu.)
- Select Tax Tools

- On the drop-down select Tools
- On the pop-up menu titled “Tools Center”, select View Tax Summary
- On the left sidebar, select Preview my 1040
For TurboTax Desktop, change to 'Forms' and review the forms
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