Not sure if this should be a request for future updates or something that can be done. I want to know if there is a way to quickly duplicate a section. my example would be requesting for the same information from a joint applicant on a application.

Not a section, but one item at a time you can simply use copy/paste to duplicate. You are right though, it would be convenient to be able to tag several fields and duplicate a 'section' on a form. Maybe in a future update...hint-hint...

I would definitely add this to the Suggestions thread for the Form Builder as this would be something I too would like to see.