As for the agent, the first thing that jumps to mind is integrity...

Data integration?

. - I didn't want to go there and throw a shadow of a doubt on the integrity of the wholesalers...

I treat everyone I deal with integrity and act ethically.

. $240 on Amazon, but you only have to buy it once.We've tried the Nest in two of our properties - the proprietary nature of their interface made them difficult to integrate with our management & monitoring system.That said, there are other thermostats which provide a minimum and maximum temperature (regardless of what the occupant chooses) at a fraction of the price (Honeywell, Braeburn and {I think} Sinopé provide models with this feature).   

There may be several factors that have created this including current conditions, building or zoning codes or HVAC or MEP systems integration just to name a few.

Start by contacting the professional pest control association in your state for tips on selecting those of greatest integrity and skill.

The increased margin is their reward for vertically integrating in the industry.

@Dan Mackin Actually I think fire safety is integral to your plans for a rooming house.

It has been really awesome because everything is automated and it integrates with things like Google Drive and dropbox.