Sorry I was not able to give you a silver bullet for your problems, but this is the reality of the situation.

I have to close, apply for a conditional use verification, get inspection ( requiring wired smoke detectors, other safety features) and get a business license.

As the saying goes, when there's smoke, there is fire.I trust that you won't take these remarks as condescending since we've already been in contact with each other.

We had our 3-year township CO inspection today and were told that we need to have smoke / CO detectors that alerted both sixes of a duplex property. 

Closing in on silver.  

Make sure you have smoke and CO detectors in appropriate places, GFCI outlets near water, functioning mechanicals, make sure everything is in good condition and you shouldn't have a problem.

Are you installing new smoke alarms?

My other issue I think of when it comes to that is I'm in the process of switching everyone over to non smoking. 

many who buy bitcoin are also buying up large sums of gold, silver, platinum, and copper on the side as well as hedges against the current currency.  

Purchase price: $535,000 Cash invested: $80,000 Property located in Silver Spring, area with strong demand for renovated homes.