Look for ways to increase profits but without cutting corners.

Let’s cut through the nonsense: this isn’t about networking.

As others say, make it crystal clear in your listing that the "shells may cut a dog's paws, and we don't allow pets." 

I would protect myself and cut my losses so I was not looking over my shoulder or getting high blood pressure every time I heard a knock on the door (hoping it is not the FBI showing up to ask you some questions). 

It is what is left after snow removal, cutting the grass, utilities, tenant issues, parking lot issues, property taxes, mortgage payment, etc. that make a difference.

Unfortunately, Uncle Sam always wants his cut ;)

A clean cut, I get that it might be hard emotionally and financially but a clear break on stuff is what you need not more stuff that keeps you together that will just be one more thing to fight over later.

If your market is leaning more towards shorter stays...which does seem to be the current demand nationwide...I would not cut your properties out of that demand!

Centralize your back office / use remote employees / VA where appropriate to cut costs and improve service levels / responsiveness.  5.

Since you have high incomes and can cut your spending quickly if necessary you should be ok with some cash in a HYSA and some short term credit available.