Should I bring a purchase contract with me, be prepared to negotiate and hopefully lock it up immediately?

The more specific information you give us the better we can help you evaluate this deal.I am not trying to scare or discourage you but I want you to be prepared with realistic expectations.

Although I know I could cash flow more, there are so many unknowns I would rather be prepared. 

Are you prepared for that?

I prepared a letter of explanation with the desired outcome of setting a call or meeting to discuss but before I send the letter out what other tips or documents should I enclose to showcase my legitimacy as a buyer and my seriousness specific to this property?

No creative ideas as you did not prepare in advance for this change in plans.

I need a little advice as I prepare to take the plunge into Real Estate Investing in 2017.A little of my background I am 33 years old.

Andrew,Whether or not you use the services of a Public Adjuster, there are a few things that can be done to prepare for what will be needed to settle your claim. 

Be prepared to demand shoes off at all times, and I highly recommend walk rugs/area rugs for ALL high traffic areas.YouTube is your friend.If you think you've bought enough sand paper, double it.  

I wasn’t prepared and it was quite a shock.