You are still exiting with a refinance and thus the terms wouldn't change on the exit whether you are buying in cash and then refinancing versus doing a construction loan and then refinancing.

Quote from @Byron Umana: If you're just getting started with short-term rentals, there's a lot to learn—pricing strategies, guest communication, automation, and more.

It's just that simple. 

It can be a positive for short term rentals (if in a good area) to be near the airport.

This has also allowed us to provide some excellent incentives for our investors, locking in long term debt currently at 3.75%  through our in house financing program.

We do long-term rentals and practice BRRRR on every deal.

If you have scorable US credit, you'll get better terms.

His work products and many others can be found with simple google searches for free online.

Some/many lenders don't like a 2nd mortgage behind their first (like the skin in the game), however there are both bridge or permanent financing options out there allowing you to leverage anywhere from 90% CLTV - 100% CLTV, but don't expect good terms...

Not much in terms of online reviews as far as I can tell