He better start tracking her down or he will never be able to sell this property. 

 =)"If we did the things we are capable of, we would astound ourselves." ~ Thomas Edison

At a certain point you can start getting commercial loans against your LLC - but you must have a solid track record and then you can refi everything commercial into your LLC - But the loan terms are less favorable

Going back to what you said at the end, I find it will be an obstacle to raise money without having a track record. 

You're able to add text with either which is important to me, and they are responsive.Even windows live movie maker works well (transitions, effects, text, sound track) and is likely already on your computer unless you have a Mac.

And then for some reason there is an apartment that is accessible from the other street so that's the 4th address for the same physical building.I am wondering what is required from a tax perspective and what is recommended from a sanity and business perspective for tracking expenses and reporting them to the IRS due to the different addresses?

I blast out no more than 1000 emails a week so I can review and track the leads.

Before you did that I would get the buyers personal financial statement, net worth, liquidity, other properties they own, track record, etc. to know odds of the bank approving them.If the buyer is weak and only has the 30k down and no development track record the likelihood the bank would agree to an assumption is low.

So my wife and I make more that enough to live comfortably but want to fast track our residual income. 

Do setup keyword searches - they've helped me a lot in keeping track of topics I am interested in.