Looking to supplement retirement-he's retired and I'm still working full time for next 2-5 yrs.  

I would start with BP like you did, supplemented by simple Google searches.

My first major goal is to provide enough income to supplement what I make at work. 

I'm sure this will add significant cost either way.Long term I'd like for my parents to be able to keep the DADU as a rental and supplement their income as the rent would likely far exceed the loan payment since they are located in a HCOL area (Redmond, WA).

I was thinking in the spirit of Michael Wagner's previous lunch meetup that we could try and organize a monthly lunch meeting for those interested as a supplement to the FFREIA meetings.

Or should I just incorporate stating that the LLC is meant for the management of real estate and supplemental investment activities?

Maybe you just love to visit and want to supplement some of the cost.

Use it to supplement your existing marketing methods.

On a DSCR loan, this is the only income on the loan, and on conventional it is a supplement to the borrower's other income. 

@Garrett Stockton many have tried, and more more are trying to use software to streamline and replace/supplement people in the process.All sounds good on parper - then you have to deal with lazy & tech-UNsavvy tenants and owners who want everything spoonfed to them.