Do I make a separate site for Ya. Direct or can I do it on the main one?

Question

Yandex.Direct

Do I make a separate site for Ya. Direct or can I do it on the main one?
We want to try Direct to increase sales in our IM.
In principle, we can make a copy of the main site.
You can put another phone on the copy and then the sales channels can be taken into account separately.
Questions:
1. Is it worth making a copy of the site?
2. How not to harm the main site, so as not to be banned in the search? Is it enough to put a ban on indexing on the copy of the site in the robot and the site code?

Answer 1

Why would you want to make a copy at all? What prevents to make advertising for the main site?
If you want to track sales channels through phones, then you just need to set up call tracking. At least the simplest one from Yandex.Call. They integrate perfectly and nothing interferes with each other, just as it does not interfere with indexing in the main search.

Answer 2

and what will be banned? on the contrary - "behavioral factors" of the type