However, it's worth exploring all options with banks and lenders to see what best suits your needs.

The renovations will increase the value of my primary from $800k to about $1.6M.

Other than needing the patience of a Saint do you feel it is worth going to a private adjuster?

If your teammates and colleagues are aware of your contribution they should understand that they need to step up upon your exit or make it worth it for you to continue for them. 

Before I bought this property, I worked for two years to save up enough for a down payment, closing costs, and 3 months worth of reserves.

DSCR loans are based off of down payment, credit score and either actual or market rents so it helps to supercharge an investor's real estate goals and net worth.

I own a house in South Florida worth about $650k. 

The pricing increases in huge jumps.

If you're using regression to predict how much a market would appreciate by I think that would be a much easier regression task then predicting how inflation would increase the price of a gut rehab (increased parts and labor prices due to increased cost of manufacturing and increased cost of living respectively). 

If so, it would increase our monthly cash flow by about $30,000.