It is simple preventative maintenance that minimizes issues.I mostly use Netgear Nighhawk routers as my go to's.

But by then my wife became a stay-at-home mom and my DTI prevented me from getting larger mortgages. 

Vacuum out the gap first... sometimes use a toothbrush to make sure there isn't dirt in there that will prevent clicking together. 

Not only that but it would give them a taste of their own medicine and may even prevent them from repeating the action in the future.

I believe it tends to give me a slightly lower return, because the sponsor is going to be more careful, and if there is a severe downturn will prevent me from taking catastrophic losses.

Esusu), so doesn't help landlords prevent delinquencies and recover debts. 

My wife and I both as members of the LLC solely for the purpose that the loan and title are under both of our names so when transferring this property over from personal to the LLC I am trying mainly to prevent the property from technically changing ownership and “uncapping” its value for property tax purposes. 

You can also die in a car accident, and/or you can also NOT die in a car accident. 

Do you perform regular preventative maintenance to avoid emergencies or are you more reactive?

No one mentioned this as a factor, but I assume this would severely limit/prevent me from deducting anything other than depreciation?