There are a thousands of real estate agents, however displaying authenticity and connecting with the viewer on a personal level will trump all the logical or "business" presentations. 

This map should be good starting point. https://www.google.com/maps/d/u/1/viewer?

Video 2 asked viewers to decide on what they wished to do rather it’s flips , rentals, wholesaling etc.

@John Woodrich, this can be found by going to https://www.biggerpockets.com/profile-stats scrolling down and clicking See all profile viewers.

Zhi - You can find the zoning for those properties fairly easy on Nashville Parcel GIS viewer.  

You can find a property owners name and mailing address by entering the homes address in the search bar of that county’s GIS data viewer website.

The gentleman that does the videos does little charts for the viewers to see that is pretty helpful. 

I think it's more a product of the fact that old(er) people are not usually starting out their investing career, are less likely to be prolific posters, and are less excitable than younger viewers.

And if you are a longtime viewer you can break yourself down as a landlord into 3 categories.Michael Scott: Wants to be friends with everyone, wants to be liked by everyone.

(pros and cons to each area)These links/maps will help you out:https://www.google.com/maps/d/u/0/viewer?