Some items that are unclear: 1) how much did you spend on the ADU permitting/enhancements?

@Vernell D Watson - I do have a spreadsheet that I developed before I discovered the BP calculators and continuously enhanced for the past 6 years.

For any cons, are there risk mitigating factors and enhanced screening criteria that help?

Been working on enhancements to incorporate housing shortage (population/housing supply ratios), though the above indirectly reflects that. 

Hi my name Sandra R and I am new to the BP and upgraded to Pro to further enhance my knowledge on REI.

San Francisco appears to have them as well, although I'm uncertain if they're constructed differently.That is unfortunate about the high operating costs of those buildings as I am sure they are beautiful and it enhances the neighborhood to have them maintained and occupied.  

Picking their brain and learning the ropes will only further enhance your growth.  

Property Improvements: Keep your properties well-maintained and consider making strategic improvements that can enhance value.

I completed some "landscape enhancement" by adding a few inches of dirt and now I'm out of the flood zone.Frank

I have listed and sold a few investment properties, however, I am looking to link up with and learn from those that are more experienced in investments to enhance my professional and personal knowledge.