With that said, I keep a Heloc on my highest appraised property, to enable having access to the greatest amount of cash flow.

Coupled with : reporting more income from the business (you will have to pay more in taxes, sure) but paying an extra 25k in taxes could enable you to qualify for much more and instead of buying for $200k out of state you could buy another primary home at 5% down payment (instead of 20% out of state) and buy out here in LA county. 200k out of state: 20% down : $40k 600k here: 5% down : $30k (with better appreciation and cash flow from ADU) You could buy in an area out here under 600k and again, put in an ADU and be in a better position.

How to monetize primary residence to enable a move?

Identify a property that needs work on the MLS and purchase as a primary residence (which enables the best possible financing terms) - move in & make repairs (that can be financed into the loan).

By creating very nice common kitchens and bathrooms shared by more people another $500 (at least) could be extracted from the same space. 

But, when wholesalers daisy chain properties it enables off market sources to stand out.

This type of list is currently being offered strictly to data providers but we are currently developing a web application to enable end users (investors) to access this data.

A true, permitted ADU is extremely rare because they are expensive to build, the laws enabling them to be built more easily just took effect in 2019, and as both sides can be rented separately they can be held and rented as a duplex (often offering a great return) rather than sold. 

Its a tool that enables you to make more money from the investments you are already making.

This will likely enable you to rent your property more quickly as some have already mentioned.