His model is the exact opposite of what most gurus teach. 

I think you can model a decent double digit return but how do you transition to actually pulling money out? 

Greatly increased lending capital by transitioning from a ‘blind pool” fund to a series LLC / syndication model where investors know the property lending deal before committing to any loan and can “pick and choose” whichever loans they do or do not want to participate in.  

Totally understand that those things don't closely mirror the BRRRR model too closely, but that's what I'm seeing right now. 

Credit Karma uses a Vantage scoring model (which we do not use in the mortgage industry), but the trend will be the same as mortgage scores. 

Talk to lenders, potential LP's and partners to see if there is even a pathway for you to get a 100+ unit deal done, and if so would would the parameters of the deal need to be. 

Today you can get funding for a good deal without an issue, so the business model is kind of obsolete.I used to buy BRRRR deals, but over the last years, we switched to buying homes that are in move-in ready condition.

The current commissioner would allow insurers to use computer modeling of future exposure to set premiums, while requiring them to offer coverage in risky communities roughly in line with their shares of the market.  

You get to show buyers the same models over and over and do not take people all over town.

This 1031 Exchange Calculator can help you model out the taxable proceeds based on various situations.