However, both you and your partner would be personally liable for any debts or problems that arise.

This is usually an additional charge. 

In addition, I’m wishing to connect & build relationships with local investor friendly agents in these areas who invest themselves, help clients with investing opportunities & are tapped into off-market listings.

Additionally, purchasing at a lower price due to high interest rates could also be a strategic move in the long run.

I figure it could be a good educational tool and potential for some additional income in the form of referrals, and my own purchase commissions. 

at the moment it brings in an additional $400 a month.

Fixed rate debt in an inflationary environment is a wonderful thing. 

Pretty much the only way to get funds into a retirement account is via earned income.Of course, growing it inside an account is a different issue.With those additional properties you say you are helping your kids buy, are you putting your name on Title? 

In addition your family in a vertical line cannot benefit either. 

But it will still allow you to afford a SIGNIFICANTLY higher price point than if you did not house hack.So, if real estate appreciates 5% per year, then a $500,000 property will have $138,000 in additional value after 5 years.