There's certainly no right or wrong answer, and as you say, everyone has their own opinion, but generally I think you will find most people on this site having the opinion that such an involved structure may be overkill (of course, no one has a crystal ball either).California is generally more cumbersome than other states when it comes to taxes and filings.

Consulting a lawyer and accountant when tax season slows down but has anyone done this? 

I've got a rental that was a new construction in 2022, so no property tax was defined yet (based only on land value.

Wondering if it's necessary to have a professional to the accounting work as to not mess it up for tax reasons.

Also any advice on how to lower the tax on my flips. 

DTIs do not apply, not tax return / personal income eval

If you did sanitize it and there is a legitimate claim then why would you ever return their money?

30 year fixed, low interest rate DSCR BLANKET loans (put multiple 1-4 unit properties under one loan for cash out or for purchase).Ground Up Construction loans for aspiring developers with NO Experience100% Financing on Fix and Flips (just pay closing costs and prepaid taxes/insurance)Fix and Flip financing that requires no appraisalHELOCS on investment propertiesBuilder's Forwards (for medium to larger developers who want to hedge interest rates on their properties they plan to sell so they can offer "low builders rates").DSCR loans for long term AND short term rentals (I think this is becoming more and more common, but some people have still never heard of this).And so much more!  

I can sell the units hopefully for about 840,000 before realtor fees of 5 percent and whatever I'll be taxed on.

Seller financing does not always sell for more money and if there are big price declines then you may end up having to forecloseMy recommendation is to sell it with borrower getting traditional financing and put that $ in a tax friendlier account than loan interest = ordinary income rates