We also have Green Glue left from another job, and while that is not properly adhesive, it could add a little towards decoupling and hopefully sound reduction.

I am more questioning how other investors get around this issue in NY where you can find a great deal to buy and hold but the taxes eat away at every bit of cash flow you could possibly make.I figured perhaps other investors were ok with holding properties with high taxes if they could get the rents up but the neighborhood I am investing in wouldn't allow for rents to go up that high.

@Scott CarsonI’m hesitant to use OPM being so green but would certainly entertain the possibility further down the road.

The warehouse I dealt with used to be a metallurgy factory that had a potential of seeping metals into the ground, luckily the owner got an exemption from having to dig up acres of concrete to see if it was going anywhere dangerous, it also helped that he upgraded his building to be as green as possible.

Timeshares are not an investable vehicle and most people pay high prices and never use them The rising maintence  fees  ,sometimes speical assements eat up any vaction savings you might realize ebay is littered with time shares that you can buy for as little as a dollar  The good news for you Wyndham points are actively traded and you will get a somewhat higher dollar price   check out this website for for info    http://www.tug2.net/

First floor has an enclosed porch, living room, fourth bedroom, dining room, eat-in kitchen, and powder room.

And are you seeing the same profit-eating per unit costs in your area? 

We will definitely be starting with small complexes (2-4 units), both for financial reasons and also because we are so "green".

-  "Because they tell you they own 15 units all with new granite countertops + new fridges in the kitchens, but their personal kitchen has 30 year old countertops and a 1960s lime green fridge."). 

I use the cash flow to eat.