Shopify is an ecommerce platform that allows you to set up an online store to sell your goods. It lets you organize your products, customize your storefront, accept credit card payments, track and respond to orders.
In Shopify you can then add various apps to help you track performance and market your goods. You can use the BBM app on Shopify to maximize your performance and reach with unlimited Google AdWords ads for every product of your online shop.
You can create classic text ads or Shopping ads. No long implementation is needed and you can start within a few clicks.
Get the Shopify app here: https://apps.shopify.com/the-big-bang-machine