Create a quote form for a client.

I would like to know if I can create a form for a client interested in selling a good, so that it fills in conditional information so that I can make him a price offer for his good

Yes, it's possible to create a form for your client. You can view quote form templates on this page https://www.jotform.com/form-templates/search/Quote so you can have an idea how to start your quote form.

Let us know if you have any questions or if you need further assistance.