Most homes are 15-20 minutes from the headquarters of the world’s largest retailer and have mountain bike trails in the common areas. 

I own the world's largest tiny home. 

The individual who owns the real estate in their personal name  but understands these key principles is also better prepared to address any claims or conflict if and when they arise than the individual who owns their real estate in an LLC and ignores these important operational functions. 

While the DSCR calculation as noted above is a bit "aggressive" and looser by not taking into account many expenses, its somewhat balanced in that these are 30-year typically fixed rate loans where the rents should increase much more over the term than expenses (and largest typical cost - debt service - is locked in). 

BRRRR, much like making money in general in real estate, requires certain conditions  for it to function.  

Cash flow, principal pay off and of course appreciation are all a function (percentage) of your portfolio value. 

Timely payments are one of the largest factors in a credit score and if he hasn't had late payments since then, his score would continuously improve.

BP is one of the largest real estate networks I know of, so I'm definitely hoping to connect with a few people who can help mentor and advise. 

-Carrot sites control nearly 46% of the Top 10 organic search positions for three key motivated seller phrases across 300+ of the largest markets in the country-Carrot sites are 15% faster on mobile than the non-Carrot sites in these same markets.

I believe most investors are better served hitting singles locally than swinging for the fences (and usually missing) in outside markets they don't know and with far less control over the day to day functions.