After you file

Thank you so much for this information. I really appreciate it.

I started preparing my returns from scratch on SprintTax and had the option to tell whether I had previously prepared my return or not. I selected "Yes" and then selected the year "2017" (which is the same year I am preparing my new return for). Then I got the following message:

"The tax return that you are completing now on Sprintax is for 2017.
Are you sure you have submitted a tax return to the IRS for 2017 already?

By pressing 'Yes', you are confirming that you have filed a tax return for 2017 already and this tax return will act as an amendment to the existing return. Amendments are prepared offline. We'll review your case and our tax experts will contact you with more information and a price."

So, I guess I just wait until they call me. I'll update here based on the conversation I have.