As @Roy N. mentioned, there are methods which may deaden sound transmission through the ductwork, but they're band-aids where stitches are more appropriate. 

Forming an LLC will not aid or deter you in taking deductions for those expenses mentioned.

I won't connect the dots but any lawyer on here will attest the truth of a court order that would order divestiture of any interest in any enterprise, including real estate.And no, I don't feel bad about shutting down a business that scams the public.

Restructure and compete remodel in Guest bath.New fixtures throughout.New Outlets throughout Exterior PaintInterior Paint.New Baseboards ThroughoutNew Kitchen Aid appliances (including washer and dryer)New Irrigation System (Just the control module and a few heads)New SodNew Landscaping.New Garage Door opener.New Pool Equipment.Covered old exterior fire place with RockNew Cabinets in Laundry Room.New Vanity/Flooring in downstairs bath.Pressure wash Dock and new dock lighting.

We just moved to Minot, ND, but were previously stationed in: Spokane, WA; Albuquerque, NM; Enterprise, AL; and Columbus, MS.  

You could control the product, processing and distribution.”Then he added, “Of course, you would need to leave this small coastal fishing village and move to Mexico City where you would run your growing enterprise.”The Mexican fisherman asked, “But señor, how long will this all take?”

I'm the enterprising type, and my answer is going to be very stereotypical of this. 

There are diferent courses the offer finacial aid and give you access to online classes or you can go to the school I believe in Wisconsin has anyone tried it?

NH does not recognize pass-through entities, so you may be on the hook for Business Profit Tax (BPT) and/or Business Enterprise Tax (BET), depending on your individual circumstances.

Further to this, can an individual ("A") combine residential real estate rentals (two properties) held in a two-member partnership (husband "A" and unrelated individual "B") with other jointly owned (husband "A" and wife "AA") for purposes of a real estate "enterprise"?