Sometimes they’ll let you add meters and mailboxes without rezoning, but that depends on local rules, so definitely ask.For the septic, upgrading is probably a must.

Therefore, your long-term income depends on the city's ability to attract new companies.

I only allow tenants to pay on the 1st of the month but I would consider alternate payment schedules dependent on the situation and tenant if they asked.

I'm trying to make a decision between the two and I wonder if it simply depends on which rep employee you are assigned to in each business, and their experience. 

It mostly depends on what opportunities are put in front of you though.

Also, you will have additional occupancy tax depending whether you are in the city limits or not.

depending on where you are in NJ you might have the Lehigh Valley in PA a couple hours away, or Delaware, etc. you can go to meetups, see places in person, and start to build a network.

The right investment strategy depends on your risk tolerance and available time, especially when partnering with family.

Depends on what you want/like.

Finding information this way is often faster when necessary information couldn't be obtained directly through the internet.That's the old fashion way of doing things before the internet.