I have a primary residence at this time. I am planning to buy another house to move into the new house and then sell the existing house. So If I move to the new house and stay there for two years, would that be consid...

the state income tax does not benefit the CA investor they don't live there..

You just have to know how to work them to your maximum benefit.  

There are a lot of moving parts and you may benefit from speaking personally with another CPA to confirm.

First & foremost begin the new lease June 1 in the name of husband only - do not amend previous lease to make husband signatory.Because this is leased property anyone else entering the property not allowed by official tenant is essentially trespassing.

For ex if ARV of property is 700K . 95% of that = 665KAnd Lets assume you already borrowed 530K So far , then you can essentially use that 135K for next deal .

Essentially, want to get advice from a professional on asset protection (LLC?)

I will also take the investment and occupier tax benefits as his low and fixed income won't need much tax breaks.Finding the right duplex that makes sense from both and ROI and location sense (not on "multifamily row" for example) will be challenging but I'm trying to see if this makes sense for me financially. 

Is it so far away from other cities you'd essentially need to build a whole new city?

It not only explains what each metric in a complete analysis is but also what the formulas are (for example, NOI) and how they all work together: https://www.biggerpockets.com/blogs/8814/73755-18-essential-metrics-to-a-complete-real-estate-investment-analysisReach out if I can help with anything and best of luck.