This experience reinforced the importance of strategic execution and adaptability in real estate investments, demonstrating that even deals with slim margins can be profitable with the right approach.

Its NOT the Guru's as Bill states yes some may do it.. but BP reinforces it with all these peoples different opinions from different states.And it also goes to the underlying theme Of BP  in that you don't really need to pay for any advice you can get it all right here for free...

From there on out your job is to reinforce that first impression emotionally and logically.

I'm having the town inspector walk through the property to see if I need to reinforce the floor joists.

Entities only, to reinforce a business purpose.State fees and tax returns are also an issue.

Now we know what NOT to look for in a group and it reinforced the fact that going the guru route (not that it ever was a real possibility) is not the way to go. 

Peeking into the financial statements reinforces the wisdom of renting in a high-priced area like central Tokyo (would apply just as well to SF, NYC, etc I'd think) - they are only making 4-5% net on their building!

If any of the rafters or trusses have charred wood but look able to be reused then you’ll need an engineer to submit plans to strengthen and reinforce.

In doing so, I reinforced the late fee and delivered Pay or Vacate Notices.

I'd recommend watching the webinars:https://www.biggerpockets.com/webinarThere is some repetition if you watch the webinar's but I like it and it reinforces the basics.Also, someone recommended books to read, I like the "No Money Down" and the "Book On Rental Property Investing".Also, I've been using PRO which I think is incredible, especially the calculators, you mentioned BRRR so sounds like you may be using already.