As for heat loss along the way why does it matter?

Only tankless water heaters, extra insulation, heating/cooling, etc....

Pete Beach and Treasure Island heating up, it might be worth tapping into that dormant potential.

Given this is where my major operating expenses fell (beyond taxes and insurance), keeping this cost lower, by average, helps my cash flow.I invest in older neighborhoods, so the 2-4 unit properties, typically have single water meter, maybe single electric, and many have radiator heat with a single boiler.  

Stay away from electric heating - this is a tip for all investing to be honest. 6.

She will never be happy with the heat, she can barely afford the place, and she's regularly late with rent.

After they left she called me, they used heat to kill the bedbugs and in doing so they literally melted all of the mini-blinds and the LVP buckled so bad that it all had to be replaced.

You are correct that insulation is almost certainly a bigger bang for the buck in a heating climate.

After you paid for a hotel for your tenants for the last week while the ac, the heat or the water heater was broken.  

Since yours is only water and heat I would recommend you charge 50% and lower the rent cost rather than factoring it into the rent price.