If they see your score drop significantly and that is unusual for you, they may decrease your credit limits or worst case close your accounts. 

The cold incoming water would be stored in the tank and warmed overnight or throughout the day which would decrease the total temperature rise needed.

At some point, demand decreases or stagnates at the same time supply increases, resulting in a sharp drop in prices — and the bubble bursts."

You need to decrease the amount of your own cash invested to get a better return. 

So as you move up in rental price, the amount for repairs will become a decreasing percentage of the rent.Now as that applies to capex, certain capex items will be relatively fixed or fall within a small range like a water heater in @Ned Carey's example.  

A backup as a result of inadequate clogged or damage on their end might be covered by them.

., from what I can see, the first property is simply not that great of an investment unless you are able to either greatly decrease the purchase price or generate additional rental income/decrease monthly expenses.

(Excluding <5 unit properties,) The total value of your multifamily property increases as cap rate decreases.

-As equity liquidity increases, the negotiating power of shareholders will decrease.

As large industrial cities have fallen by the wayside and populations decrease could this be a turning point?