One of the recommended practices is to create a popup wholesale form and show it on the page which you need to show, so that both retail and wholesale customers can buy it. Just like this:

How to setup the popup?

1. Popup form setting makes the wholesale form to a popup form.

2. Copy the page path which you want to show the popup wholesale form on.

3. Popup form publish setting. Show the popup form on specified page.

4. There are other options allow you to setup which pages showing the popup wholesale form on. Like showing on All pages, or just on Home page, etc.