If its general information, Bigger Pockets has a ton of info that you can learn at your own speed, just type "STR" or "Short Term Rental" in the search bar and a bunch of info will show up. 

I agree, in the entreprenuer world... speed matters. 

For reference, Dallas will show something like 26% chance of high winds (3 seconds with wind speeds above 50 MPH) in the next 30 years, for most available properties. 

Speed of scaling depends on your ability to assess.  

Do you want cheap, regardless of speed and communication? 

Any labor shortage areas, speed up green card process noted above. 

When rent is too low it speeds up the leasing.   

If I were in their shoes, I would have my attorney on speed dial to get the first in line before Norada gets wiped out and bankruptcy is filed.

Expect a custom ADU to take 9–18 months, with 3–6 months for design and permitting and 6–12 months for construction, depending on complexity and contractor availability, and the speed of processing permits.

What was their level of speed & competence?