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.  

I was aware of and frequently use CMHC but have not heard of or used PadMapper.

You will read about this strategy frequently on BP.   

One of the obvious issues was the gutters became clogged frequently.