Or do they use the virtual banking model like Baselane and Quickbooks Money, etc?

In the second example, the higher cap rate has effectively priced in the expense of re-tenanting the building within 2 to 3 years so the 10% cap going in results in a 6% or 7% cap rate after accounting for all of the expenses to re-tenant the building only a few years after purchasing.For an experienced investor or developer, seeking out underperforming assets as detailed above is their very business model.

I have worked on many transactions involving Estates and looking to build a relationship with attorneys and provide my expertise. 

We intend to continue with the same business model. 

All of those are "part of doing business". 3 years, 7 Airbnbs and hundreds of guests later I'm still a proud host and a big fan of the mid-term / short-term model!

Or do they use the virtual banking model like Baselane and Quickbooks Money, etc?

But there is other ways, and infinite return model as I detailed is one but often too complex for most to comprehend the various moving parts and math to it all. 

I believe both BRRRR and private money have their place in my particular area and business model.  

Not everyone starting out has that level of expertise (nor does every agent, but the good ones do). 

Leveraging Mark's local market expertise, we secured the property for $60,000.