However, I have worked very hard to build a relationship with them and I am in frequent contact with them - and I believe this is key to the success I have had with them. 

I buy frequently. 

So, it happens quite frequently when I will post a response in a thread, then I forget to click the button to "Follow" the discussion.

In the dead of winter, the source water temperature is low enough that the solar thermal frequently does not lift the water temperature enough for consumption (usually 10-20 degrees low) under heavy load.

You hear that statement frequently from the talking heads on TV and I think it's perpetuating a conventional wisdom that's not necessarily true and does a disservice to the average American listening.  

Cities often spray a wax - like product on walls and areas that get frequently tagged.

But, you want to find land that doesn't need irrigation, and doesn't flood (at least frequently or for long), which will drown the plants.

Other people know the good ones and the bad apples, and will frequently tell you who is who. 

That is part of the business in this class of rental and is a big part of why the returns are frequently triple what you see on higher rent properties.

In smaller communities, this is particularly troublesome because more often than not, the same buyers and sellers agents are interacting quite frequently.