JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Yes, you can delete a submission. Please refer to this guide on How-to-Delete-Form-Submission-Data.
You might want to create an Auto-responder email so that they will receive a message once the filled up the form. Please check this guide: Creating-a-Form-Autoresponder
You can also edit the default Thank You page so that your users will not be confused. Here's a guide: Setting-Up-the-Thank-You-Page
If you have any questions, let us know. Thank you.