Be sure to clarify the lender's stance on total CLTV (Combined Loan to Value) at 100%, as not all will accept this structure.

They also seem to be keeping up with the LLC state filings every year (I check the secretary of state website from time to time).

So, for example Washington might survey a 1 million acre estate, offer to purchase 550 premium acres (or accept such as payment for his services) and “bank” those 550 acres for future development. 

DO NOT accept their numbers and do your own due dillegence.

Does anyone know if the BP lease for Colorado downloadable from this website is updated?

I would recommend just going to their website and filling out the inquiry form, the agent I worked with was Kyle B but it seems like part of their schtick is that it's all technology based insurance brokering to save you $ so I don't know that reaching out to a specific agent like a normal insurance quote would work!

But I'm not dead set on anything accept that I would like to be in Florida. 

HUD publishes the Median Fair Market Rent on their web site for the entire country.

Unfortunately having title issues is one of the reasons that sellers are sometimes willing to do seller financing simply because they know mortgage companies won't approve without proper title work and title insurance so they have to be more creative in the ways they sell but that can be risky for you as a buyer.If you do seller finance I recommend having very specific terms on HOW payments will be made and accepted and using a professional service like https://www.agecroftcapital.com/ for loan management in the case of any disputes - just my personal rec, not sponsored by BP though I do work for BP :)

The compromises and terms that you'd have to accept for a lender to take that amount of risk would likely be a bad idea.