All they cared about is that we sold warranties, because they are near pure profit.

It’s the pure PM companies I see far less of.

It’s free and purely educational, not a pitch fest.

I came across the BiggerPockets podcast one to two years ago through pure curiosity of wanting more for myself.

Now, as to your other question as far as agents, here is my subjective opinion as an agent:  Make sure you choose an agent that is also an investor (whether house-hacking or owns pure investment properties). 

I suspect all of this is generally true of all pure tax lien states.

Is this for pure investment?

@Dylan Eggers I didn’t think my first house hack would make sense as a pure rental but rents increased enough during the time that I lived there that it did cash flow when I moved out (and appreciated nicely).

For a standard rehab/flip loan, does the loan product support a pure "asset based" approach? 

What makes a self-directed IRA custodian different is that they are not purely connected to the public exchanges and limited to investing in stocks, bonds and funds, but rather have the staff training and paperwork to document the IRA's investment in the more individualized transactions that occur when investing in real estate, notes and other non-traditional assets.