With depreciation most of your income will also be sheltered from federal taxes, saving you another 20%.

Federal Reserve’s response to COVID-19 crisis was to lower interest rates to near 0% in order to support the economy during the pandemic.

The real question is - will the government get involved if they feel this will discriminate against buyers with less income, veterans, or other protected classes.

There was a property at the auction that sold at market, however it had a federal tax lien of over 100k attached to it.

At 4% interest, I bought investment properties which easily met a DSCR of 1 or greater, even when using the market rental value which was always less than the actual rent I receive from my tenants' federal housing choice vouchers (HCV).

The economy is thriving in several areas -- pharmaceutical, medical, IT, Distribution centers, manufacturing, government defense, sports, convention center -- a wide variety, so we aren't depending on only one type of industry. 

Maybe if there were a crime spree terrorizing the entire county, but I'm not even sure about that.The bottom line, in business and in government is, "where is the money going to come from?"

The assumption here is that the US government will continue to be a government and will not default on its loans.

Why can't you simply escrow the costs of the road repairs with the local government or provide them a letter of credit to accomplish this? 

As I understand Federal Tax Lien will fall of after 90 days or IRS could redeem the property.