I'd use a percentage based on the square feet of the living space or a percentage based on the number of residents.Also, keep an eye on the utility bills for unusual spikes. 

This obviously might change if Pennsylvania get a spike in Covid cases and is ordered to stay home again.- House is 5 min. walk to college and if rented to students bring almost twice as regular rentals. - House is rented furnished and I am just about to order all the furniture...if rented to whoever unfurnished is preferred.What would you do?

There are many other changes since the housing crisis to lending in general that make a repeat of the foreclosure spike unlikely.

Bad debt will likely spike in California and New York where the shutdown seems endless and the rents far exceed the stimulus. 

With the economy at a standstill there is a massive spike in missed payments, missed rent and unemployment.

When will there be more foreclosures?Came across a YouTube channel of a couple who does foreclose property management and it made me think. When do you guys expect to see an increase in foreclosed properties? Looking ...

Would it surprise anyone to see crime spike on Thursdays?

There was a spike in median days on market from 11 to 38.5.

ASU is currently planning to have in-person classes for the fall semester (so long as there isn't another spike in cases or anything unexpected).

Hope our numbers don’t spike.