How Google Merchant Center Works

You will need a Google Account in order to set up a Merchant Center Account
If you already have an account (such as a Gmail account or a Google My Business account) you can use it.

The next step is to provide Google with your online shop information
This includes business name, physical address, customer service contact, your shop domain and a couple more basic information.

Then, provide your product information in a format that meets Google's feed requirements.
Some of the attributes you must include for each product in your data feed are a unique product ID, title, a link to the product on your website, the price, a link to an image for the product, and a description.

Is Google Merchant Center account free?

Google Merchant Center (GMC) account is free to set-up and use. While advertisers may choose to utilize it exclusively for free product listings on the Google Shopping Tab, the primary reason for having a GMC account is usually to run Shopping Ads - a paid form of product advertisement.

Benefits of Google Merchant Center

The Merchant Center account entails one major benefit: it is a gateway to advertising your products with Google Shopping. It allows you to store essential product information needed to generate and serve your product ads to potential customers.
Without Google Merchant Center (GMC), your products will not appear on Google Shopping. Also, you cannot create Product Ads unless you add sufficient product information to your GMC account.

Google Shopping Data Feed

Important

If you are on webservice providers such as Shopify, BigCommerce..., you probably use the automated app for this advertisement. and you will fine a APPs to do this