To my understanding I'm going to have to go through The Secretary of State website.

I tell agents to meet the client in the office and have the secretary make a copy of their ID and write the schedule in a log (it's fake).

Then searched his name and turns out he owns a local business, called his secretary a few times explained my intent, she then shared his email.

To answer your specific questions (but not necessarily suggesting that you should go the LLC route), the California Secretary of State actually provides a pretty good walkthrough on how to create/organize the LLC in California: http://bpd.cdn.sos.ca.gov/llc/forms/llc-1.pdf. 

Regardless of which state you organize the LLC in, if you're doing business in California (which based on the fact pattern laid out above you would be), you'd be required to register with the California Secretary of State as a foreign LLC and pay annual filing fees. 

Just google New Hampshire Secretary of State Corporate Division and go to NH QuickStart.

If you want checkbook control, a self-directed IRA will involve a setup fee from the custodian (a registered bank or trust company required for IRAs), as well as a setup fee to the LLC facilitator for their service, a formation fee to the Secretary of State in the area you choose to form, annual or quarterly fees to the custodian, and annual fees to the Secretary of State.

Otherwise, go to the Secretary of State, Business Registration Search to find the LLC and the name of it's manager(s). 

Let your secretary sit in the closing office waiting for that money transfer to get signed over.

Then I have to go to the Secretary of State website to enter the entity name and see if I can find the name of the actual owner (human) who owns the LLC and then cross-check the mailing address provided by the Title Search report to see if it's a residence and if it's the residency of this person.It's not only highly inefficient and not scalable but also highly inaccurate.