I'm going to tell you my favorite passive income idea is private lending. 

So, I'd love to hear about your favorite meet-ups or online gatherings for multi-family real estate networking in Minnesota.

I think that is fine, but there is another way.That way to look at it is that the family member is giving the other family member a gift to get started.

my favorite is always HELOC for primary residence.

Any favorite house hacking books or books you feel prepared you for house hacking?

If you have a cell phone you have no privacy.I am Not talking about an owner occupied borrower who lost a job but can go back to work and a lender gifts a modification.Many of these subject to deals with investors the original borrower is not paying, the sale price is inflated, there are seconds and thirds who won't have the money to payoff the first, and the "investor" has no reserves or team to deal with: code violations, a fire, non paying tenant, is far away from subject...

Do you have a favorite REO site?

One of my favorite ways is by going to your local plumbing/electrical/building materials supply houses and speaking with the counter person(s). 

Coincidentally the only city I shy away from is Portsmouth, primarily because I listen to everything Patti says (although her favorite city is Norfolk).

Realtors are not one of my favorite middlemen on the sale side either.