And in all reality, what actually distinguishes one database from another? 

What are the main characteristics distinguish the class level?

Or, is the distinguishing point that you just have to live there as your primary residence to get the owner occupied financing?

I agree the best practices are available on BP, but agree with @Lee Reeves that they are hard to find or distinguish from risky or dumb ideas that are also on BP.  

Hence how I have time to be here on BiggerPockets to contribute.At the same time, your eyes distinguishing the not so obvious distress condition on the property like overflow in a mailbox, broken window, bent garage doors, tarp over car, talking with neighbors etc would require someone very devoted seeing, like I said, EVERY SINGLE property that way.If you have the time I recommend doing it yourself because even if the numbers from your research of the areas make sense, when you're there in the area you'll clearly see that the numbers might not look like what you thought the area would look like positively and/or negatively.

It is good to know the distinguish feature between the two loan types@Dave, thank you for the reference, I will look them up.

He is Regents Professor, McKnight Presidential Endowed Chair in Public Health, the director of the Center for Infectious Disease Research and Policy (CIDRAP), Distinguished Teaching Professor in the Division of Environmental Health Sciences, School of Public Health, a professor in the Technological Leadership Institute, College of Science and Engineering, and an adjunct professor in the Medical School, all at the University of Minnesota.

This would allow ideal landlords, who may often not be recognized, to demonstrate themselves based on past tenant experiences, by means of the company creating a profile on behalf of the tenant, and also would give good tenants a positive history that they could take with them as they are considering their next place to rent, plus distinguishing themselves from other tenants.

A simple grey Toyota Corolla void of distinguishing features blended with the pack, hugging the bumper of the car in front.

Property rights is one thing that distinguishes us from communism.