This will help make sure all the potential damage is addressed*. 2- Make sure you get complete documentation of whom treated and the warranties to include methods of treatment and pesticides used and a complete report from the contractor whom completed repairs including there NJ HIC lic #.* Now here is the flip side to be honest.

Did he/she provide solutions to your problems? 

And opening the window more is not a solution.   

Best solution is new tenants.

Where do you believe a technology solution could be developed / would be most useful?

I would love to see some math broken down on here as I see people constantly throwing HELOCs out as the easy solution.

Poison is the long term solution.

Now, if you get to know the busniess and have meaningful discussions with the guy, then you might see how you'd fit in (if you even would) and then you could propose a solution. 

I am not working for broker (never did) but I just feel like there is got to be a solution that I will get most of the commission myself. 

I think the solution is to use a company like Rently to do self-scheduling and self-showing.