It is two mobile home parks consisting of about 24 units.

Cheaper properties tend to be in more challenged areas where residents where the clientele just isn't as consistent over time so there's more time, effort and energy spent chasing no payers or late payers and finding someone who takes care of the property is much farther and fewer between.

I understand that appreciation certainly helps an individual build equity, but I also am attracted to consistent cash-flow with a steady (albeit possibly slower) appreciation growth. 

Usually 25-30 people come consistently.

A lot of education and a little bit of practice is something that one can accomplish with elbow grease. 

Real wealth is built over time with consistent effort, even when things are difficult.Increase earnings, reduce expenses, save, invest.

And for an OOS, I always advise to keep things simple at start, don't get greedy, go for quality and consistency, then work on maximizing monetization later. 

Is it not the actively working and realistic practice used all the time?

While I’m proud to be in the top 5% rated hosts in my area (for my, I’m determined to maintain a consistent presence on the front page of Airbnb.

It's good practice in making the calculations needed to decide whether or not to pull the trigger on a potential deal.You soon learn that starting off as a Doctor is less advantageous than starting off as a Janitor, because the game presets your income and expenses based on the job title.