Why am I not seeing a Thank you page?

Whenever someone submits on the Home Buyer questionnaire survey, they see no Thank you page. I have switched it to a redirect, and still there is no redirect. they survey simply disappears. 

I just tested your form, and reproduced the issue. Please try embedding your form with the Iframe code: https://www.jotform.com/help/148-Getting-the-form-iFrame-code 

Let us know if you need more help.