He most likely abused the plumbing system letting hard waste going through the line and most probably used harsh chemicals such as drainex causing these issues.

A website is a good starting point, but there is no substitute for real world experience.Don't take this as harsh.

This may sound harsh but it could cost you $10’a of thousands of dollars.

I have seen both too harsh removal (which I agree with you that your post does not seem very self promoting) and not harsh enough removal (typically turnkey providers that are advocating turnkeys where they are providers).if I was a moderator I would error on the side on not removing posts that are not clearly in violation.As to your question on good markets to market, I only know that San Diego seems to have a lot of competition. 

Mark maybe if we ever meet I'll tell you the 1.5 year long story on this house and all the drama involved with it.

If management properties is this much drama then I would suggest a property management company.

This seems a big harsh, but there is some truth to it.

All, harsh constructive criticism is welcome!

ME TOO, as my lease specifically states, no assignment, sublet or roommates.Six weeks and there's already drama??? 

Some good and some bad...lots of small town drama and people having stuff stolen by Meth Heads.