And you're talking of tying up all your borrowing power for another 10-15 years - BEFORE you start receiving that 5.5% return?

First you need for someone to have the legal power to sell it, which likely involves probate.  

Developers decades and decades ago water was very cheap so developers did not want to spend the cost to separate versus power and gas.

But if the rest of the plan is solid the 1031 exchange will allow you to harness the power of compound interest from the deferred taxes. 

I can see when they turn it off and when its armed.It also texts me when the power goes out.Worth it for peace of mind.

. , have Tesla install a power wall there.

Knowledge is power, and the most powerful investors became successful because they were willing to do the dirty work and get their hands dirty.

Without the pressure you can wait for the better tenant, who will have staying power.  

The same way a $1 has less food purchasing power now is exactly why paying back over time is a great idea.  

I am selling a home and a buyer is saying my house is 4200 sqft and one 2 ton unit and one 3 ton unit is not powerful enough for the house and he wants to ask for 5k discount because of that.