I then provide a YoutubeTV account for them to use and have preinstalled all the other common apps for them to bring their own logins. 

Very common for most of today's gurus to utilize these types of subterranean creatures. 

The most common reason for a high water bill is a toilet that constantly runs or flushes.

Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

You will get people willing to share in high demand areas and you will see this in high rent areas but you are keeping up the common areas and it is a bit harder.

The most common options used by investors seem to be an LLC or Umbrella Insurance. 

What is far more interesting is not the dumb greedy investors that refuse to do an ounce of due diligence before investing and then act shocked but rather the scores of sycophantic, mindless automaton like investors in these reviews who give them 5 stars and say it's the best investment they have ever made in real estate, interspersed with RADD apologizing to 2/3rds of the reviewers for halting distributions and redemptions, which in one review they even hilariously claim that "halting redemptions is common practice in real estate."

This is fairly common when people want anonymity.

One of the most common complaints I see on reviews is how the area, location, or house did not look like they thought it would or was promised.

I have not reviewed BAM's fees but it's likely based on their representation of UNDER 10% "skin in the game" that most of their "investment" is taken from fees deducted from the money gamblers place with them and counted as equity in the deal; this is a common practice in the syndication industry.