Just looking at their website,  there is no useful or helpful information that a sophisticated investor would normally require (to even give them a chance of being considered).

Pile on that he takes time to give away a ton free content via his website, youtube, podcast ect.

Quote from @Jonathan Soto: great write up. thank you for taking your time and going in to detail. i have been looking into a business for myself but havent seen much in biz bysell that make sense. just need to keep searching Try looking into Crexi and Loopnet too, I find all different kinds of small businesses for sale on those websites compared to Bizbuysell.

This is a website that was mentioned in BP Money Podcast EP 303.

According to a 2016 tax sale for Anne Arundel county, MD process document the rate is now 12% from there website.

The mistake you are making is it looks like you think you can use the number on the HUD website as your rent amount. 

I don't get a lot of calls for Denton County, Tarrant County the list is online now at both the attorneys Perdue website, and Linebarger.If you have any other questions, just Email me.

Directed marketing to pre-foreclosures, a website with seo, networking, driving for $$, go to some local meetings.

Maybe they are bad communicators.Assuming you still want the place, I would do anything you want to reach out via the renal address or professional websites, but home addresses and personal social media is going too far.

@Tony Vicente the city website has good information about zoning.