If you remove the one recession that was caused by housing then housing increases in value 80% of the time during a recession and decreases slightly 20% of the time. 

I do not think rents will decrease except for people who panic.

The insurance that I carry prohibits any animals without increasing premiums and decreasing length of life on new renovations.

@Jaysen Medhurst is totally right here - you will likely have to decrease your rent vs other listings nearby. 3.

Ordinarily, we would be actively looking for our next two projects, but I fear we  potentially could be buying a bit high right now and future ARV's will decrease. 

After raising the rents, and decreasing the expenses, my expenses are 37% of my gross income.

The velocity of money will continue to decrease, and short sales + foreclosures will start popping up over time. 

I have a fulltime job, which I can do from home, but my husband will loose his job in two weeks and his employer has a hiring stop, so our income will likely decrease in the next few months.

How to analyze Multifamily using the BP calculator if the previous owner is willing to finance a percentage of it.Also if it has room to lift and raise rent and increase decrease total cap rate; increase ARV, do I then use the BRRRR calculator?  

Add capital improvements to that (increases your basis) then subtract depreciation (decreases your basis).