Price out not a "mitigation" but a completely eradication by professionals. 

That said, I still have LOVED my personal house-hacks and most of the ones my clients have done because the numbers tell a beautiful story and being able to eradicate your cost of living is to-date one of the most powerful financial levers I know of.Single family homes can still make a workable house-hack and the magic of it really comes at the bookends price-wise. 

It’s difficult if not impossible to completely eradicate roaches from these rentals with 100% effectiveness.

Well, last I studied, measles, was essentially eradicated from the planet, via a little thing called A VACCINE... ...that is, until some really smart people decided to not provide the vaccine to their young children -which you know, worked really well, causing measles outbreaks, amongst those clever ones, to the extent we've not seen in 50 years.  

Of those 40 days they have a 10 day appeal period (that's the main delay) which some local lawmakers are trying to eradicate. 

They, too, said there is no way to eradicate them or completely seal the unit off because they only need 1mm to get through and can come right through outlets, vents, etc. 

I was able to eradicate the problem in about a week.

Hello @Brian Fung I am an investor from Rochester and actually live in Hilton, NY.

Usually when they're in the house they're also in the yard and can get tracked back in when people are going in and out....it's much harder to eradicate them from the yard when you live in an area that doesn't freeze.

I'd find a competent technician first.One other thing about insects - if you don't effectively treat the life cycle, you can't eradicate the problem.