Hello!!!
I have read your project details and have aught the idea that you would like to have the VENDOR PANEL customisedto add "FEATURES" and "SHIPPING" questions to the general tab with all the other tabs being HIDDEN.
You can see an example of one of those projects in my portfolio here:
https://www.freelancer.com/u/allanashan99
Development background experience,
in-depth skills in Website Design development and scripting languages
Skills in PHP, MySQL, Magento, HTML5, CSS3, JavaScript, jQuery, Ajax, WordPress(CMS), Bootstrap,
PSD to HTML,Website
WEBSITE DESIGN BACKGROUND
PSD, FIGMA , ADOBE XD , ILLUSTRATOR!
Thanks,
Regards
SHAN!