When your cash flow & reserves can't cover an unplanned issue for very long.

I reserve the right to be wrong, but with the entire world working on vaccines and treatments, my bet is that the threat posed by the Corona virus will fade significantly in the next several months. 

So assuming you have the recommended healthy reserves that can cover six months of payments, and mostly stable renters, what's the strategy?  

One is get some rain barrels on their property which will store some water and then the excess is what comes through your yard. 

I have four months worth of reserves for mortgages.

I have a decent amount in reserve and rehab should be completed in 6 weeks or less.

(Side question, for newbie- is it a bad idea to have a line of credit as extra reserves in a time like this?)

from what i see posted on BP it runs the gamit.from those that say they don't care don't pay you dont stay.. but many jurisdictions are not processing evictions so they cant boot them even if they wanted to.I personally think working with good tenants is the way to go.. and this is what your reserve accounts are for..

You can do this by networking with others in the industry such as mobile home park managers and/or owners, mobile home dealerships, local mobile home supply stores, contractors who specialize in working on mobile homes, talking to other investors who invest in mobile homes in your area, and talking to residents who own and rent mobile homes in the area. 

If you lower the rent temporarily to "weather the storm" you'll end up "inheriting the storm" from a tenant that can only afford the lower rate.I always warn people to have a reserve for situations like this.