GC was paid for the bulk of the work but the final draw was withheld due to problems with the new central air system (does not work now on the 2nd floor), some electrical issues with switches controlling outlets that should be independent and failure of the GC to obtain all the necessary permits from the town.   

Essentially it means that it was a duplex prior to some restrictions put in place that would prevent it from being a duplex currently if built new. 

Expensive appliances, they are, when compared to the standard USA dryers.But if these are the typical dryer found here in the USA, then the moisture is expelled through the exhaust vent; failure to properly vent these to the outside would lead to high moisture / humidity levels in the air within the unit - one of the things that could lead to mold developing.

(Black kitchen appliances.)Located in middle-class to upper-middle class areas.Property appeals to the masses (entry-level professionals, college students, seniors, etc.)Class C: Generally more than 30 years old Little to no amenities (for example: no washer/dryer hook-ups inside the units, window air conditioning units/no central AC, white kitchen appliances)Located in stable middle-class, working class, or lower income neighborhoodsBlue collar and entry-level professionals, college students, seniors, some renters who receive housing subsidy (*Sec. 8)Potential for stronger cash flow than Class AHigher maintenance needs than Class A and BClass D: Generally more than 30 years old No amenitiesKitchens and bathrooms look very old ("Harvest gold" kitchen appliances)Located in areas that may have high crime, high unemploymentGreat cash flow if purchased at a low price, but there is little chance of appreciation

Here is what I know:It has a septic system (condition unknown)It needs a new pump for the wellIt needs a complete electrical and plumbing system (I am an electrician so I can do that) I assume a new heating and air systemIf you look at the link seams like a total gut on the insideIt is currently 4+ hours from where I live.

The roof was fixed in a temporary manner to prevent further damage and active mold.

These are some of the issues that are preventing widespread adoption, but I think it’s only a matter of time:Hurdles for Blockchain to be Adopted in Real Estate..."

My question to other landlords, what preventative steps do you take to make sure pests do not get in ?

That said - any way that you can add gaps between up and down is going to prevent sound from traveling down. 

You don't need an LLC to operate on Air BnB.