For example, I see newer investors attempting wholesaling or bird-dogging for other investors to generate additional income to invest.

In my personal experiences a lot of structural items start with bad drainage.

That said, if you feel you want to go above and beyond, then could could try contacting some of these apartment complexes directly and confirm her story with them but if you can easily find another qualified applicant why would you take on this work and additional risk.

Out of curiosity would anyone be willing to share any experience with non-paying renters who've vacated the property prematurely?

Here is a list of why adding a single ADU in single family zoned areas in my CA market is typically a poor RE investment:1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

Quote from @Nick Am: @Michael Plaks--> The SE taxes are STRICTLY NOT in addition. 

If you do call them best case scenario you get the listing, sell their home and end up with some additional buyer clients that did not end up buying this particular house.

Our third partner, who has experience with smaller projects in Detroit, also finds this endeavor overwhelming.

I would have contacted the locksmith tech to get additional details before assuming it was tenant damage.

Hey @Nina Erlandson,Happy to share my experience using Obie.