In this video go over how you can use the dynamic backlink builder to build niche and geo relevant backlinks free to your GMB page.
This can help in getting your GMB into the 3 pack and in extending the area you rank in.
Now you can upload all of the files to your to your Amazon S3, Google Cloud, Azure or any of the other cloud sites that you have accounts or even add them to a PBN, let Google index them and then enjoy the power of the Geo and Niche Relevant Free Backlinks powering up your GMB.