So far the concerns I have discovered would be things like control of collateral, maintenance requirements/margin calls, and various fees that may be charged on quarterly or annual basis.

Very simple - tell them to call me if they can't figure it out.I would not tell the tenant what I was doing and if it was ever discovered that I had done it - I would explain that I did it as a standard safeguarding of my property - in case the original thermostat should ever fail while no one was there to monitor the space temperature - the backup thermostat would save us all from freezing damage.

Walkthroughs are never detailed enough to be final (ie often tenants have lower disconnected and discover broken appliances later.) 

After 35 years I’ve developed a healthy respect for this business from the school of hard knocks.The day I’ve discovered this business is easy or simple will be a good day to retire.

The reason you see a person’s name and all their entities listed in a lawsuit is because Plaintiff (the suing party) attorneys have to list everyone and every entity that can be remotely tied to a cause of action, otherwise, if enough time passes and through the legal process discover that a separate entity or just a person was truly liable and they didn’t name them in the lawsuit, they are out of luck.

It felt like a dream come true—until I moved in and discovered a flooded toilet in my unit that didn't come up in the inspection.

As you discover opportunities, continue looking for the longer play!

The "online leads" trend becomes a vast pool of scams, each one discovering a new and "better" way to find motivated sellers via SEO/Paid adds/Social Media etc, and automatically aims to make a profit from selling those so-called leads.

Since joining BiggerPockets, I’ve discovered a lot of other great companies and connected with inspiring investors.

By doing research we discovered that 1.0 acres was sold off in the 1960s and never caught by the assesment office, so the tax bills were too high for 40 years.