One tell tale sign that the system is not working is if the owner is pumping on a regular basis.Do not be scared off just because of a septic system.  

He/she should be extremely responsive, within a 1-2 hour response time during regular business hours and 8-12 hour response time on the weekends. 

This will allow you to engage with people in your market as well as people interested in your area(s) of expertise.I also like putting in searches on the Bigger Pockets search bar for "Queens, New York" to see who are some of the local players I haven't yet connected with.A few other things; post regularly on these forums, comment on blog posts, try to make a few new connections each week.

Get out there and go to a Meetup or real estate group and become a regular.

When this was done a family of 6 was above, with kids who would flood the bathroom regularly.

I ask myself this question regularly and there are a couple reasons why I invest in Portland’s hot market. 

I go to the gym to lift weights regularly.  

Examples are: tenants who party, sell drugs, make too much noise at night, have police called on them regularly, cause problems and generally depress and bully other "good" tenantsSome reasons I can think are:the tenant is on disability and the rent is guaranteedthe tenant is somehow related to the landlordthe landlord is negligentAre there any other other reasons why nuisance tenants are not kicked out?

All the auction regulars seem to know and understand this.  

I was driving by what looked like just a regular house- its for sale by the owner sign was in the yard and it said It was zoned commercial.