I recommend finding a great local lender and building a relationship with them, then getting your info directly from them rather than articles and videos.  

These tools streamline your analysis and improve your due diligence.Finally, build relationships with sellers, property managers, and agents.

Mostly he's interjecting opinion about an industry he doesn't know intimately. 

I love the idea of creating a website to build credibility, would love to hear suggestions from others on what their site looks like?

Investing in duplexes and MF units can be a great way to build wealth and generate passive income.

But planning said as soon as I build an ADU on it, all units on the property are deemed 30 days minimum, not just the ADU.And so being, I believe turning them into condos would allow me to STR one.

If the building has independent supply runs to each unit, you have the option of sub-metering water and billing each unit for their consumption. 

The alternative would be to buy a lot and build a new 4,500 sq ft home.

BUT if it gets your deal done with less cash out of pocket, might be worth considering a higher rate until you can build some more equity/ pay down some of the balance, and the refi into something more reasonable in terms of rates.

Idaho is experiencing some price easing because of all the building.