@Zee D. this was just announced yesterday in IllinoisIllinois DCEO Says Open Houses are Not Allowed Today, the Illinois Dept of Commerce and Economic Opportunity (DCEO) has added language pertaining to real estate as an essential service to the official DCEO guidance on Essential Businesses and Operations FAQs.

But it seems like most everything outside of gyms and movie theaters are still essential businesses. 

The relationship between the two is essentially that CoC takes into account the annual financing costs (annual investment), while cap rates don't.I'd definitely recommend familiarizing yourself with the BP calculators which will show you how to use and understand both these factors in your initial analysis. 

Even if there was true mortgage assistance, which there is not, some landlords are out of money that is needed to pay their essential bills.

Contact the state to see if this is considered an essential business activity.

There is no lender in the position to do paperwork right now.

Are real estate transactions, i.e. sales, considered essential services?

Keep in mind that Residential Real Estate Services is on the CISA's Essential Critical Infrastructure Workforce list.  

There was some other sort of tax that she had to pay -- essentially on the gains of the house, but it was a state tax. 

In Washington state, all non essential work has stopped.