I suggest 15% combined.

I believe that they are waiting for the worst of the crisis to pass and to see markets stabilize before putting their capital at risk, which I think will happen in the next 2-4 months.For anyone who needs to sell because of liquidity concerns, they might have to take a good discount until buyers return to the market as well.This is a unique phenomenon as the economy was in good shape and the crisis was a man-made shutdown to reduce the lethality of the pandemic.

Given the existing unique situation of the COVID19 outbreak in NJ and under the state order of stay at home which requests us to stay at home at all time and keeps the travel to minimal unless absolutely necessary, how could I show the house to potential tenants?

Some combine it with the Renovation Builders Risk and others will write it as a stand alone policy.

Or combine items from several. 

These prospects are required to provide identification and often receive a unique lock-code so that they may view the apartment on their own time, and still adhere to social distancing.

They will get $288 per week.See snapshot:On top of that, this person will get $600 per WEEK from the Federal CARES act.The combined weekly will be $288 plus $600 = $888 per WEEK.Compare it to the situation where the person WAS employed at $30k per Year.

Governments telling people they dont need to pay their mortgage or rent if they cant afford it, combine this with the highest spikes in unemployment ever seen. 

I was thinking of a combination BRRR / House Hack where I would buy, rehab, rent, refinance, then live in one unit and rent out the other unit. 

This is a unique loan program administered directly by the SBA and Treasury and it’s rules seem quite fluid so I cannot say anything for certain as it pertains to your question unfortunately.Best of luck!