Google now lets retailers list products for free on its Shopping tab
https://thenextweb.com/insights/2020/04/21/google-free-shopping-listing-coronavirus/
In an effort to stimulate growth in the retail sector during the coronavirus pandemic, Google is making it free for all merchants to sell items in its Shopping tab.
In a blog post, Google president of commerce Bill Ready said that starting next week all search results in the Shopping section will consist mostly of free product listings — whether a seller advertises on its platform or not.