But stick to the basics when it comes to trying to select your market.

Something not mentioned above or very often on this site is the ability to cherry pick or being selective.

I have a gas pool heater which doesn’t effect electric bill.

This is my first property and I am in on this with 2 partners who are effectively silent partners and I am running the rest. 

Whether you own a SFR or apartment building, it ultimately comes down to what tenants you select.

Builders often have an escalation clause built in that says something to the effect of “if material costs increase more than 10% during the time of construction, builder can raise the price to cover the difference”. 

I am also considering select areas near Hopkins Hospital.How would you measure success or if this is a good investment given the above?

Doesnt he provide his social when he opens up water account on his name which may effect his credit history or he's the type that dont care? 

How will this effect resale value?

Reach out to the real estate lawyer to find the most effective solution.