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). 

Or do you think rates will slowly decrease like they were before this crisis began?

., there is a decrease to less than 50% of the gross receipts for the same quarter in the prior year).Different rules apply as to the covered wages depending upon the number of employees the employer had in 2019.

Buyer's maybe in a position to leverage and renegotiate a fair price they feel is justified, but Seller's on the other hand are not ready to lose their shirt, give in and settle for a deal they don't feel fair and justified.Any thoughts or feedback will be appreciated, without a doubt, real estate market has and will continue to be impacted, but do you feel the commercial real estate market has taken a nose dive or a starting a downswing cycle, will this be damage be temporary or permanent?

This is all temporary, this will come to an end and we will be ok. 

Italy has now seen 3 days of decreases.

Commercial Real Estate & Business Loans “$5,274,000 Purchase Loan on a Special Purpose Medical Building in Houston Texas”“While we are still selectively seeking hospitality acquisition and refinancing loan requests, we have placed a temporary moratorium on construction loans.”

But during my early 50s, I learned of RMDs, did a few calculations, and decided to decrease my contributions to match only. 

A moratorium is after all a temporary delay in evictions...