I reached out to the bank (Stanford Credit Union) and they told me they could extend "a few months" but that does not really solve the problem...They dont want to renewal the mortgage because they are getting out of the business themselves...

It's not your problem to solve.

Another solution is to drop your offer price, because either the price is to high or the property is in an unwanted section for your buyers (having more buyers solves this).

What are some common approaches to solving my capital2.

When I previously owned a IT services company, and went to networking, I would give advice freely, often solving problems for people that I could have charged.

His poor budgeting skills are not really your problem, but a simple change in due date might solve the problem. 

GFCI breakers will not solve your problem. 

Having the unit replumbed is not cheap so I want to make sure it will solve the issue. 

Hi @Stanci March,It looks like you've solved this already, so this is more for the lurkers than you.

I am one, buy my experience in large part has been that most of them have no clue what they're doing.