I'd like to create over 100 Surveys in Connect using existing feature services.
Does anyone know a way to rotate through a folder and complete the first few steps for each to Create the Survey123 folder in my content and create generic XLSX forms so I can access them in Connect?
You mean you want to automate creating surveys in Connect? No. I'd do each one individually.
The Survey123 Python API may be able to do this. https://developers.arcgis.com/survey123/guide/python-samples/