Here is info from an older post that might help with your research.That probably stems from the definition of a "family" in the City of Pittsburgh Zoning Code [see art. 9, ch. 926, § 76(b)]:A group of not more than three (3) persons who need not be related by blood or marriage or adoption, living together as a single housekeeping unit in a dwelling unit, and shared common facilities as considered reasonably appropriate for a family related by blood, marriage or adoption; in either case exclusive of usual servants;So I guess any house zoned as "single family" can technically only have one such group living in it.

Read up on being a servant leader. 

I am motivated and open to other suggestions, but I feel stuck.I had created a RE Business Plan several months ago, and it is as follows:Mission Statement Just a man trying to make his way in the universe by striving to deliver affordable rentals to those in need while applying honesty, humility, and servant leadership.GoalsDaily Goals Engage with like-minded positive people focused on success.

But after 30+ years of doing this we've found that if you treat them right and don't lose your cool or think you're better than them they will usually loosen up and actually become quite pleasant to work with.The worst thing you can do is cop a tude with a civil servant.

For example recently I had two and these are their charges:PERSON AAGG ASSAULTW/ DEADLY WEAPON WITHOUT INTENT TO KILLTOUCH OR STRIKE/BATTERY/DATING VIOLPERSON BCORRUPT BY THREAT PUBLIC SERVANT OR FAMILYDUI ALCOHOL OR DRUGS 1ST OFFENSERESIST OFFICER-OBSTRUCT WITHOUT VIOLENCEThis is before viewing the apartment, before actual application. 

I am very interested in real estate investing mainly because working 96 hours a week to live paycheck to paycheck as a civil servant is wearing me thin, physically and mentally.  

Eliminate, Delegate, or Create.Most of the time we are doing things in our business that we shouldn't be and it's costing us much more than just investing in a system or hiring someone part-time to assist with the effort.I thought I would go ahead and share a recent conversation I had with an investor that read tons of real estate books, attended webinar - after webinar, even attended at 3-day bootcamp on "How to Wholesale Like a Rockstar".However... a year later, after all the hoopla and rah-rah ended... he hadn't done his first deal.... sad ;(So I set up WMRPFormula.com to break down EXACTLY how simple this business can be.The most successful people I know all have coaches and mentors.Remember... be a servant,Cory

It explains how two civil servants making 25k a year in NYC were able to build an easily managed real estate portfolio of 25m/35m respectively.

The focus is Socratic discussions, respectful disagreements, personal responsibility, servant leadership, and character building.

They, like Joe, have a servant heart (and excellent podcasts as well), are extremely creative and also successfully work this business, instead of just teach it.