“How long do I have to wait to improve or sell the property?

One of the neighbors told us they had no intentions of selling soon so we backed out of the deal.

THE MOST IMPORTANT THING I LEARNED ABOUT SALES IN 45 YEARS IN REAL ESTATEI, like most people, thought exceptional success in a sales field was due to a unique ability of an individual to somehow “connect”, “convince”, or “persuade” people to purchase the product or service the salesperson was selling.

Also I saw a turnkey property selling for 459k and it is already on Furnished Finder.

AND you cannot separately sell or refinance that ADU in the future.That said, I ran across this company that seems to specialize in this type of addition: maybe they could help? 

The neighborhoods that company owner Engelo Rumora describes as “rough” in the forum, they don’t sell houses from those neighborhoods as far as I can observe.

Can you sell the judgement to a collection agency if you win ?

Portland rates don't justify selling right now, however they may not for the next 3-5 years.

Let me know I need help selling this thing asap.  

Whether it is flat fee or percentage, the seller is going in know what they will be paying to sell the asset and factoring that into their asking price.