Can the same individual fill out multiple forms with the same information?

Additionally, can the same individual fill out multiple forms with the same information?

To explain: We are an activities center. We have a general membership form, and then we have individual program sign-up forms that we would like to make, since each one requires different payments and specific needs (shirt size, interests, etc.).

Yes, what you can do is to put the URL of your form in the autoresponder with the basic information that will be used each time the individual needs to submit the form.

So, you need prepopulate the URL with parameters: https://www.jotform.com/help/351-How-to-Automatically-Pass-Form-Data-to-Another-Form