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 are able to add sales tax to your product. It is somewhat time consuming as you have to add all the state and the taxes of each manually.
Please refer to our user guide, How to Add Tax to Your Payment Form.
Please let us know if require assistance adding the sales tax.