This is common when you purchase large MFH, 20+ units, and commercial properties.

Leidig unfortunately this is common in real estate transaction.

I have an existing mortgage on the property. 2) How does one obtain financing for such a construction job? 

Demographics, economic investments, population and job growth are all important. 

We need to stay in the greater Denver area with our jobs, but can do some remote work.

Now, plenty of agents out there will see this as a way to double their commission, and they will push to make the deal happen, which is not ethical or legal.As an agent, I don't like dual agency, and I would rather get a referral fee by sending the buyer to another agent so that I can do my job of representing the seller, which is what they are paying for.

However, they have done a great job of building up the area on both sides of the 101 near Palo Alto.

You do not want to form a partnership trust, so each IRA would need a trust and they could then hold title as tenants in-common.  

I am located in SD California, and I need to get my real estate license ASAP for a job I am interning at. 

Don't pick the one that tells you the highest price, pick the one that will do the best job.