Thanks for the tag @Russell Brazil...Here's a bit about my story:https://www.biggerpockets.com/forums/48/topics/255...Basically, it was completely scripted (and my wife was SO sick during filming)...  

He's friendly, personable and pretty knowledgeable, but in this article, he was just plain wrong. 

In many cases...not all...... the landlord was tired of dealing with them..... hassle, needy, late on rent, destroying the unit etc etc..... they got sick of dealing with the tenants and the unit and wanted to cash out and move on.

Barring unusual circumstances, not being there is just plain lazy.

@Josh Sicking, We specialize in landlord insurance in Texas and what we have seen is that you should use insurance if the damage really requires it, and if it is really just some delayed maintenance, you take care of it out of your expense account on the property. 

Two or more layers of shingles are not ideal, even if they use more nails than they should, lacking of adhesion to plain wood or the film layer before the shingles (water shield or decking protection felt) is gone.  

Although I think a bigger problem is just plain old incompetence.

Most realtors suck, plain and simple.

The neighborhood was nice and we were sick of renting.

@Alf HolstAbsolutely not, and your contractor is just plain lazy and stupid.