Also, they said they have pre-vetted all the liens already, ensuring that we will be buying liens on great properties.  

Additionally, I would setup a formula to ensure that the owner and employees are rewarded for contributing to that continuity. ie backend load some of the price including employee loyalty bonuses.Good LuckNicolas  at AHC Capital

The purpose it to ensure one spouse does not put the marital home (or possibly any marital property) at risk unbeknownst to the other spouse. 

No matter what you do ensure to screen the tenants thoroughly if you are doing the rent up yourself. 

What are some things I can do to ensure that this land is all that's promised?

Corey's post deals with the issues related to ensuring the land is buildable and what can be built there.Another set of questions to answer is about buyers and what they will buy.

I said it is my civic duty to accompany him downtown and ensure that these punks are held responsible.

It isn't unusual to want to do this, and the banks just want to ensure that you aren't using the LLC as a cover to sell the home to another party.

The downside to this would be delays in closing or even worse, the deal not closing at all.I recommend waiting until you own it to ensure your able to hit promised timelines 

I have been employing the tactic of using the listing agent for the offers I've made thus far (for the reasons of double commission), but I would probably be better suited to use an agent myself to ask these questions and ensure I'm protected.