For example, create more natural light on the interior or develop a better drainage system to move water away from the home. 

Michael S. mentioned Low Or No Money Down Investing, which is a Bigger Pockets ebook that can be downloaded for free.Bigger Pockets has various resources: ebooks, blogs, podcasts, forums, webinars, colleagues, keyword alerts, an awards system, a learn section, informative people in many fields of real estate, and mastermind groups to engage with individuals interested in real estate investing. 

@Denise Chester It would depend on where the system is located. 

I finally have my systems in place and would like to acquire 6-8 more properties this year, but this is putting a hitch in the plan. 

I was using the "class" system based on quality of tenets/safety of area/stability of area vs. more of a classification of the income/town itself...but I guess I could have said more of a A- minus compared to towns like summit :)

But probably defendable in that a shared ventilation system will create an issue for other tenants no matter how 'good' it is.If the only reason is they rented a 'pet free' place then no, absolutely there is no defense and you best let that service/ESA in.

In addition to the forums, blogs and private messaging system, members will be able to jump in on a live chat with their colleagues.We know this will help you better engage with current and new connections and look forward to the impending launch!

Study successful people and follow there habits of wealth buliding.Work hard at creating systems and processes to make your business work for you.  

5 yr - 20% rule is unique to OH.

If things are unraveling for them, I would call their emergency contact and get their support system involved.