You supply the contractors materials to save money .There is also the impression if you are an "investor" , contractors will give you a better price.

is there an attic.. set air handler and go into ceiling with round supplies

Will a DSCR loan apply to this kind of transaction, being that the house wont be deeded in my name until after I pay my uncle the balloon payment on the seller financing amount?

We were not supplied keys to the property so only the tenants have keys.

I've thought about offering $20,000 every 6 months for 3 years and a balloon mortgage to cover the remainder... 

If you want to figure out the value logically, you can create a spreadsheet that will show your cost of financing and principle paydown on an annual basis to figure out the break-even date between the seller-financing price vs paying market price, but with bank financing.You mentioned a 40-year term, but is there a balloon?

Compared to LTR, you have to pay utilities, supplies for guests, possibly more insurance.Let me know how else I can help!

The electronics package is very sensitive to fluctuations in electrical supply. 

We will always have desirable locations that have more demand than supply and the excess supply will go somewhere.

Typically, off-market sales are common in hot markets where demand outweighs supply heavily, meaning that a home can sell easily without ever going to the public for sale.Pros of Buying an Off-Market PropertySearching real estate markets for off-market properties widens the net of investment opportunities.