In episode 322 of the weekly Hump Day Hangouts by Semantic Mastery, one viewer asked how to market niche sites with GMB.
The exact question was:
I have a shopping cart website that is the root domain, however I decided to diversify my website to create subdirectory blogs using WordPress to create different niches. I have 50 WordPress niche blogs in directories, ex. How do I market my niche sites with GMB?