It's not realistic in most cases because warehouses are built as that, which means they run much less electric and plumbing.

However I have had to replace some major appliances recently which had put my in the defecate and added to my motivation to sell (Hot water heater, two refrigerates and a washer/dryer).

Did nobody ever stop and say "oh, hey, maybe we should keep water pumps going because, ya know, no electricity no water pumping, NO WATER". 

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You can't lock them out of their room, turn off the electric, or anything like that.  

People are not thinking about how electricity get redone for the entire area.

What @Nathan Gesner said ^^^^ plus....do you have other construction skills like plumbing/electrical/tile/etc?

In Milwaukee the weather can get pretty cold and we want to protect the tenant, but also the pipes in the property from freezing.For that reason we do have a stockpile of emergency equipment which includes electric space heaters.

I understand that a GC is suppose to have subs, but this was work I had contracted with HIM, it was not electrical or foundation work that needed to be subbed it was to him and I was under the impression he was the one working.

In the northeast having a second heat source in the rental saved  frozen pipes when the electric was out for days.