Not everyone can purchase a firearm, either due to past criminal history, age, physical location, or what have you.

Appfolio charges $20 for a full credit/criminal/eviction back-round check.

No offense to you, but your approach to realtors has been lazy.

Aside from providing the basics (ie. listing tool to get the property published to 10+ major sites, scheduling tool to schedule viewings, tenant screening with comprehensive applications -- pulled reports from TransUnion, which include nationwide criminal background checks + credit checks + eviction history, digital lease creation tool, rent collection tool), automated maintenance tracking is key (and having everything in one spot makes a world of difference when it comes time to have a contractor come in and make a repair).

It heavily relies on a market rife with criminals. 

No offense, but being on a podcast does NOT make you an expert or right for that matter.DMM is plain and simply dumb.

Graphic Designer both have very little debt Both have clean criminal ect...And have been in their current separate rentals for over 2 years each.  

There are a lot of great options out there; aside from providing the basics (ie. listing tool to get the property published to 10+ major sites, scheduling tool to schedule viewings, tenant screening with comprehensive applications which include nationwide criminal background checks + credit checks + eviction history, digital lease creation tool, rent collection tool, and maintenance tracking tool), some services also offer your tenants additional capabilities which makes it an easier sell on your end when getting them to transition over (ie. their ability to report on-time rent payments to the credit bureaus; this can create an added incentive for making sure they pay that rent on time).

As 27% have criminal records.

I am fairly confident that my value exceeds what I pay my electrician, plumber, or handyman (no offense to all of my tradesmen friends BTW).Fast forward to the end:  This is just one agent's perspective, but my budgeted "shop rate" is $120 per hour.