So, you are saying that the first response you received should be marked as the solution.

It is just fine to do a Schedule C with no expenses, if you can say "Under penalties of perjury, I declare that I have examined this return and accompanying schedules and statements, and to the best of my knowledge and belief, they are true, correct, and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any knowledge"