Ashish mentioned above you need to include an interest element, or one will be imputed based on a fed rate which is trickier. 

The biggest problem with Airbnb in the article was that despite numerous customers complaining about the bait-and-switch, Airbnb didn’t do anything about the scammer and allowed him to scam for years. 

I have seen numerous videos on Bigger Pockets yet I feel as though there is some information missing.

I believe some of the more 'Professional' grade management software has elements of adding in Preventive Maintenance items. 

And the local knowledge element does favor real estate given most of us do not run companies. 

Then finally we have property management which will be 10% monthly along with numerous fees ($190 not including fees).

We love new fancy houses and trying out new design elements.

The points above are all good points, but the most important element is protecting your 1031 Exchange funds.  

On the slab cut for new plumbing drain lines, which was maybe only 5 square feet of slab cut away, nowhere near the footers, exterior walls, or any structural elements, they not only had to inspect the new drain pipes in the ground as expected but then also to inspect for termite treatment (totally ridiculous), rebar  (in a slab with no existing rebar), vapor barrier, and then the final pour.

However the challenges of owning or managing those properties are numerous and difficult.Between 2009 and 2012 you could buy houses in good areas in Arizona, Nevada and Florida for 100 times monthly rent, with a little negotiation.