Check the form has one Product field, one Total field, one Credit Card field and an Email field. Collecting payments via forms

Open the form's Settings > Ecrypt and make sure there's a Credit Card feed with Total and Email mapped. How to add a payment feed

Offering ACH too? Add a Payment Method field, show the card or ACH fields only when that method is picked, and give each feed Conditional Logic (process if Payment Method is Credit Card, and so on). Adding multiple payment types

Passing on fees? See Adding a service fee or Adding an ACH processing fee.

Open the notification and check its From Email matches your site's admin email in Settings > General Settings. This is the most common reason emails fail. About the administrative email address

Submit a test entry, then check Admin > Audit Logs > Email Delivery to see if it was sent or failed.

In the form settings, set Member Splash Form Type to Waiver (resets every January 1) or Permanent Acknowledgment (never expires).

Use the Member Checkbox field so one submission covers the whole household.

Don't rename a live waiver form. Waivers are matched by name, so renaming breaks past submissions.

Embed forms with the Gravity Forms block, not a shortcode. How to embed a form

Keep CAPTCHA on public forms to block spam. Adding CAPTCHA

Keep each form to one job (waiver, guest pass, lesson signup). Lots of pricing logic in one form is the number one cause of problems.