He was telling me that because of the stock market going down, that the mortgage rates have basically been artificially increased.

I would wait until I see two things happen as they are artificially holding the market1.

So there is demand but there isn’t much speculative foreign money or local cheap debt artificially propping the market.People who have been complaining that there are no opportunities to be found in real estate over the last few years keep looking only in the wrong overpriced markets which, by definition, are subject to a huge potential correction at some point.Sadly, too many investors seem to totally misunderstand the concept of risk and are in for a rude awakening at some point.

Also, 4% doesn't sound absurd if you are talking about a small property with a relatively modest purchase price....if its a Million dollar property, I'd start to suspect they are artificially high. 

Journal of New England medicine this week published that the virus can stay on certain surfaces more than 24 hours and still be viable.

"Gratitude is the best medicine. 

Yeah, in theory, market rent may not have changed... but those prices are artificial.

@Sami Gren call a new lender and see if they can match or beat your current rate, they might as interest rates have dropped recently, don't give yourself an artificial deadline to "keep your rate"  It takes as long as it takes to get the results and if they come back with contamination it can be very expensive to clean up.

Medicine, auto, aerospace, construction etc. 

The tipping point would be when the average American can't get basics like food, medicine, or shelter and is forced to choose between starvation and death or violence.