Not to mention vacation areas can get hit with any number of devastating disasters like fires, earthquakes, hurricanes, terrorism, flooding, tornadoes, air travel disruption or even just economic disaster.

Every time someone gets a notice that there will be an inspection within 24 or 48 hours, means that your schedule is disrupted.  

The only landlords that does not have to worry much about Covid-19 economic disruption is the ones that does not have a mortgage or has enough equity to sell profitably in a market that has slowdown.

secondly how to politely say noto socializing with out disrupting the business relationship?

I base that on the long term Case Shiller data that, after adjusting for inflation, shows house prices are flat, except for major disruptions (great depression, loosing of lending after WWII, and the recent bubble.)

Aside from giving you migraines it ties you up legally and brings major disruption to what you are trying to do. 

Your only concern is the behavior which is disrupted to other tenants/neighbors and not in keeping with the legal mandate that tenants have the right to the peaceful use of the property. 

I am not suggesting you can do this with any and every tenant, but when you have someone who has paid on time for a substantial amount of time and then something happens to disrupt this, I would say that it is not a good idea to push them away as a first response.   

A high maintenance client can really disrupt your life and make you less productive -- especially if real estate is something you do on the side. 

Prices go up because of government restrictions, lockdowns, regulations, Disrupting Supply chains causing prices to increase 2.