If you don't get access to the property before closing it can be tricky but if there are recent photos online or you can walk through before and take your own then it is much easier.

Are you currently working on lining up funding or looking at potential properties yet? 

Behind referral on on-line sources like Next door, Google review, FB marketplace, etc.  

I'm looking to do a cash out refi on a duplex I have, but I cannot find any reviews online or much of an online presence for them.

Instead of piecing together information from random online sources, you get a cohesive learning experience.4.

The "online leads" trend becomes a vast pool of scams, each one discovering a new and "better" way to find motivated sellers via SEO/Paid adds/Social Media etc, and automatically aims to make a profit from selling those so-called leads.

You can also use online resources such as City Data to search demographics in the area. 

I know this is a differing topic on the forums, and online in general, but having the legal background/education and knowing estate planning concepts you'll realize it shouldn't be.  

I have never heard of this metric and don't see any information on it online.

The only costs are hourly wages to an assistant to respond to the tenants if something comes up like a question about the online payment portal system or something else.