What people are suggesting here is to engage in the forums as a fellow investor instead and describe experiences and suggestions from your personal investment portfolio.  

For what it's worth, I believe there are online notaries, I'm not too certain of the mechanics of it all (I believe you sign over a skype session), but I'm pretty sure in order to be recorded it should be hand-signed. 

We're two newly-married young professionals who have only been interested in real estate for about 4 months, but are extremely intrigued by the ability to build sustainable wealth and have more control over our financial health.We've been listening to BP podcasts and scouring the site and forums for all the information we can for a few months, but decided it was finally time to get engaged in the community, especially with the past week we've had. 

You need to learn how to attract and engage private lenders.

Such as the free E-Book on "Investing With No Money Down" by Brandon Turner, interview content with successful investors, and the 25 hour Bigger Pockets session.

So what would be the best way to engage in a negotiation with a listed property? 

So buy their books, join their programs, engage in their community.

You can offer anything, but I'd suggest $500.00 to "shadow them for the day".4) During your one day session, ask (lots) of questions, including what courses, or boot camps they used, and would recommend.  

You just need to know who to talk to and where to look.Lastly, if you want to really learn something out of these forums, you need to be willing to PM folks and engage them offline to share what they are working on.  

I always put in my clients' operating agreements that the members may engage in other business ventures of any nature, including the ownership of another business, whether or not similar to that operated by the company, and the company shall not have any right or interest in any such independent ventures or to the income and profits derived therefrom.