She proceeded to fill the entire common entry space with decor, message boards, side tables etc.

The most common in simplest form that has been deemed as most passive is a simple, long-term rental.If you have not purchased a property for yourself, yet, I would highly recommend getting started with house hack, and learning that way.

18-22% management fee is common in Florida for vacation rentals.

This is so common sense, I am embarrassed I didn't think of it.

Theresa, I actually re-did the entire quote with realistic labor times for the ones that were simple enough to use common sense.

@Zackarias Aitchison FYI -- Webinar on 6/18/19: "Common Mistakes Made by First-Time Syndicators" by Gene Trowbridge and Jonathan Nieh

Most common way to do it without partners is getting a juicy enough value-add deal where you can refi out your down payment.

Is it common to use a buyer broker/agent when purchasing apartment buildings?

I plan on demolishing & doing ground up construction, with common areas including garden beds, light workout area & gathering space . 

Is some of it for common areas?