House hacking is the best tried-and-true method for new investors in my opinion.

While that may sometime be true, full disclosure to all parties should eliminate any ethical or moral concerns (imo).  

Not true.  

So true, I've read his stuff as well.

A true recipe for financial disaster.

If you Bank/Lender does not allow it you can refinace the mortgage into a DSCR or true Portfolio loan program. 

Less risk as far as a debt note, that's true, but debt is not the only risk to be managed.

Hre are the key things to knowWhat you are bidding on - often oddball properties that are hard to identify and have little value are auctioned offThe true as is value of the property, The tax assessment can be way higher or way lower than the true as is valueThe local laws and how they affet your total costs and returns

What they are telling you is true.

I am wondering if you are making some assumptions that just aren't true.