Properties are flying with the blink of an eye.

I just want to understand realistic comparison of reg sale vs reasonable and maybe more attractive seller financing structuring taking into account future short/intermediate term interest rate trends and Time value of money (that I am a fan of learning more).As a side note, being a health care professional I am amazed and always puzzled by financing and real estate.

I'm in discussions with a seller to buy a duplex in Concord NH that has great space on the second and third floor of an attached double-bay over-sized garage to add two 1BR units.

By the looks of this you can only charge them what the cost of an apartment of similar value in 1975.

The brokerage format should take care of this scenario but you need some planning there. 

*One is section 8 and has become a hoarder and gets frequent fines from the HOA for items left outside (two partners don't care because the rent is always paid) * One is a tenant of almost 2years who pays on time, cares for the inside of the home but has suddenly stopped caring for the exterior, and appears to have moved in a dog and a boyfriend but denies both.

Just be careful of sales people saying anything to get a property sold.

As an auditor I have a habit of running my finger over the signature to feel the texture bump of an original signature.

If you're taking care of the aforementioned items and anything else that comes up, and all he has to do is put some money down, a 50/50 split is a great deal for him. 

Just state calmly they need to take care of the property or move out.