If he does a blanket loan, he would simply put them under a corporation name and that would free those up.Here's the other thing though?

CPAs have had additional training and education in taxation and corporate work and they are required to sign off on financial statements of public companies and non-profit corporations.

You should consider a side gig as a paid speaker at conferences and corporate training events.

In the Rich Dad Advisor book "Start Your Own Corporation", Garrett Sutton is pretty anti- Series LLC, mostly because they are so new they don't have enough precedent to know how they'll really hold up when needed.  

With a 10 unit strip you would need to lose 4 out of ten tenants to get the same affect plus many more business want the smaller spaces so they do not sit as vacant for long.If the large tenants are national tenants with corporate guarantee for a long period of primary lease term the I will take a look.

3) I've heard before that there is a great tax benefit of leasing the office space LLC that you own back to your S Corporation.

Our corporation is approved with a  major bank to finance and improve properties (not hard money).

If the person is not a corporation, that is correct.For example - we operate as a C-type corporation.

If I mainly plan to invest out of state (and not in CA), do I still need to use a California S-corp or LLC?

The increasing Government workforce and Corporate sector employees makes this area worthwhile in providing your cash flow needs.