(Snow, small tinkles that have gone unnoticed, spilled water, lazy cleaners, etc) The floor that is used for commercial use, like shopping centers or grocery stores, designed for foot traffic, not little Johny running across his room in spiked soccer shoes and slip sliding all over the place scratching the brand new floor you installed only 1 month ago or constant dragging of the chairs or pointy toys.

Has anyone noticed a spike in "Gurus" or is it just me?

She claimed that her heel got stuck in the carpet and she fell.

Bottom line is, you can go either way. if you have good historical data and a good understanding of how much utilities will be, you can still include them in rent and be on the conservative side to allow for any spikes.

Instead read: Antifragile by Nassim Taleb- SFR's have an achilles heel that most don't talk about or properly forecast: turnover costs of tenants.- TK providers charge you "retail" for the asset.

With rates spiking operators are going to distress sell.

Recent spikes in interest rates have indeed made some investors hesitant.

Lets say interest rates spike to 18% like in the early 80's.

I've got my first baby due this week so the pressure to get the house leased is starting to spike. 

I also studied the demand and supply so I can understand why/when the home is spiking and why it's crashing, the root cause is known.