These are professionals with additional training and a stricter code of ethics.

I've got my mother's work ethic and the carpenter logical mindset of my father.

A good friend waited two years to get their deposit back due to strategic moves by a military landlord to avoid/delay repayment of deposit on a poorly cash flowing rental they owned (I believe they wanted the deposit to handle repairs they couldn't afford or want to pay for that were not the tenants responsibility).BP Service members, is it ethical to delay handling tenant disputes due to a deployment?

These are professionals with additional training and a stricter code of ethics.

you cannot take either of those tax treatments with flip properties its ordinary income.

Just from an ethical standpoint, I'm sure you contract has outs for you, you should let the seller out if they really want to. 

It’s reasonable if the tenants saw them they assumed they worked or even if you said they were broken that they would be fixed.With having nothing in the lease and hopefully having the desire to be an ethical person In my opinion you should fix them or replace them.

With my work ethic and personal wit, after all said and done, without to much explanation here, I think I could do amazing in this field and I love the grand picture of the profession.

If allowable, I would love to report him for this tactic--first on ethics and second on taking advantage of elderly people.  

Many sewer services have cameras that can show you the problem and what type of system you have.Assuming you are on City sewer, after you have the lines cleared, treat the plumbing with an acid treatment--I use CLEAN SHOT--4x per year.