On top of that, while the assessed value is supposed generally to be reviewed / reassessed on some kind of cycle (3 year, 5 year, 2 year), there are many instances where this does not happen. 

Which markets are you reviewing deals in?

Psychology here might be the under the radar pitch, we can take it to the guru review section or drop references and speak to the psychology and perceptions of investors.We certainly have enough buzz words flying around in RE from the marketing types, it's good to point out what might trigger some to pay attention to, like "Free Beer Tomorrow".

Typical closing costs for a seller are as follows:Deed preparation and recording typically $200-300 Transfer tax (doc stamps)$50 or so for closing attorney/title company  to get your mortgage payoff plus wire transfer fees to actually pay it off You may want your lawyer to review everything but not necessary.As far as a title company that is a state by state requirement. 

That mindset serves millions of investors on this platform well each and every day, and the positive, selfless willingness to help others get started, succeed, and invest is what makes this platform so great - and incidentally that's the mentality that will help you win far more business from BiggerPockets over the long run.I'd encourage you to start here to review who and what we are at BiggerPockets.

a lot of angry people tend to call back. is it a bad idea to put my address on the letters incase they start giving bad reviews?

I have been listening to the podcasts and reviewing the forums and keep hearing the importance of equity when evaluating a deal.  

It does not need to be a masterpiece of literature, but it should cover the key points of your strategy.

If you google their name and reviews you go a whole host of complaints.

Well, I'm still reviewing websites, reading books, blogs & newsletters, researching, attending CFRI meetings, and reaching out to individuals for mentorship.