Create membership without plugin in WordPress

I want to create a membership area as I want the member to enter his information and I get all the information he entered and confirm if he will be a member or not and display his information in the front end. If his information accepted he will receive an email with a link that displays his information and if not the email contains the reasons why he didn’t accept. I want this without using any plugin.

You will need to hire a freelancer to custom build that.

If you have a sensible budget then you can prob find someone at

I want any articles to help me to do that.

I doubt you will find that type of action covered in articles or posts as it’s quote specialised, not that basic and will potentially depend on the theme you are using and several other factors