Your first point is how markets work and investor psychology, and anyone whose invested for term or traded deeply will resonate with this.

The volatility of the markets and constantly changing guidelines have been the largest pain points from what I see.  

They need to hear that they can make a change if they are willing to push through the pain of being uncomfortable (I agree with @Cameron Tope that most people don't want to face the fact in black and white!).

Pain in the *** factor ÷ ROI.

I havent had any other experience in the US and with turnkey companies before, I had no bias versus turnkey companies either unlike a lot seem to have in the US so I came in with a clean slate but a very, very carefull and critical mind (someone said "very on the ball", Engelo would say "Pain in the XXXX"), but if the perfect turnkey company existed I believe they would be very close to what OCF is doing (remember that I'm French and in our culture, nobody's perfect !!).

If you pick a bad tenant in any state, it's going to be a pain to evict them and when you do, they can always put rocks down your toilet or cement.

., it seems to be a fine tool.But if you are a real estate investor with a few properties to track, it's really painful.

We tried outsourcing it for the first couple years and it was an absolute disaster.It was a painful process bringing it all in-house but we got there.

It's a pain to hire people, it's a pain to train people, turnover is a pain, leasing office space is a pain, etc.  

It is the only house we own, and it is obviously a pain to manage.If we sell it now we will be at a net negative on the whole thing, but won't have to mess with it anymore.