Great video, Eric! I'm a long-standing user and also learned on Data Revelations. Your recap was a very helpful refresher, especially the end part on pivoting the text and numeric sheets right in Desktop. That process was quite tricky in Tableau Prep and Alteryx, but much clearer the way you showed. Thank you!
I access Qualtrics through the university I work for. They have a server set up that employees have free access to. If your organization doesn't support this it does look like Qualitrics has a limited free option (www.qualtrics.com/free-account/), but other survey systems have methods for collecting Likert scale responses - that's just the system that my clients use most often.
I don't know much about the infrastructure. My understanding is that the Tableau Web Data Connector needs to be installed on your specific instance of Qualtrics. At Duke we have a license for that and it's installed on our system, but I assume it's not installed on every instance of Qualtrics Server. You can still export spreadsheets from Qualtrics and visualize in Tableau - it just won't be that nice live connection.