These are again the pitfalls of being an out of state investor.  

What pitfalls should I look for?

What are the pitfalls to operating this way?

But here's the secret to "Hack" section 8 ...Hire a PM who knows the section 8 inspectors and currently have section 8 tenants so he/she knows all the guidelines, rules, tricks and pitfalls of section 8 housing.Doing that will save yourself time, money and frustration. 

There is a a ton of good advice above and while section 8 has it's pitfalls, it can also be a valued part of any investment portfolio.

It sounds like you are buying long distance which always has its pitfalls. 

Thanks for sharing come of your shortcomings and pitfalls.

Pitfalls of the refinance include an unpredictable appraisal process, reduced cash flow, reduced equity, and a risk for significantly higher interest rate. 

Personally I think the major pitfall is investing in western Washington.

I can see how this could be a huge pitfall and would easily sacrifice my chances of scoring a good deal.