If you go that way, I’d make sure a professional installs it and that you have a warranty which stipulates something about the repair time in the event of it breaking(in the dead of winter.

KDP Septic based in Phillipsburg is excellent, they put in a complicated 50K system for us in East Amwell Township in the dead of winter this year (high water table on property so needed pump up leech field system, ground was frozen, they have all the heavy equipment needed for something like this).

If you are dead set on owner financing asking the listing agent or whoever listed the property is a good place to start. 

We keep hitting dead ends but at the end of the day, we know if we had 15-20k in the bank, we could get moving in right direction.

if they don't respond, you know it is dead. 

Just because the last contract is dead, does not mean the deal is dead. 

Apologies in advance for beating dead horses.I am looking to buy and hold my first investment property. 

I'm not predicting anything or dead set on anything.

A few weeks later he sent me a certified letter with some brand new arbhorist from 120 miles away (we live in a big city, he was shopping for someone who would agree with him IMO) to say the tree was dead.

Investors paying down a rental are the most extreme conservative investors and rarely understand how little their dead equity is actually earning.