You can now buy Divi child themes, layouts, and plugins in the official Divi marketplace run by Elegant Themes.
A Divi Theme example for The Bro Basket, an ecommerce site selling gifts for bro's.
This Divi website uses the following Wordpress plugins;
Woocommerce Composite Products
Woocommerce Product Bundles
Mailchimp For Woocommerce
Stampedio Product Reviews