Website builder you can make Multiple stores in side of it

Hello. Every one .
I want to make web site you can make your own store from the website.
Log in to the website and choose your domain and you can design it by your self.
Then the costumer can start to add the products and the prices and images to the store.
it could be linked to delivery companies and payment apps .
Costumer support .
Rating the products .
SEO system.
Simple Easy and fast to use .
I want some one he make it before and show me his work .
And i will tell your more if you can’t understand the idea .. and you can see the examples site .
Examples:-
https://zid.sa/
https://salla.sa/site/
https://www.bigcommerce.com/
https://www.shopify.com/
…
I want the the best team with me if your not very good i don’t recommend to start the project cuz it will be a waste of time and efforts .
Contacts with me if you can do it .
And thank you all .