So the short answer is yes - if you have net taxable income from a no-tax state but reside in a state that taxes income, there may be income tax due to your home state.Typically, your resident state gives you a credit for taxes paid to other states to ensure your income is not double-taxed but this would not apply to you if all your investments are in states without income tax.When dealing with CA, you'll also want to be mindful of their strict annual LLC fee laws.

Who needs to apply??? 

While most people will not question you occupying the property if payments are made on time, when you apply for another loan this will be found out.

@Stephanie P. and @Brian GerlachPer FNMA Freddie guidelines, the 10 financed property rule only applies to properties in which you are personally obligated on the debt. 

The real power in the VA loan is the ability to apply the loan to small multifamily properties (up to a fourplex).

Should I start applying to local mortgage brokerages to gain experience and learn as much as possible?

Here's another article regarding plan asset rules that might apply to your situation as well.

If you can get a tenant sign a lease when you apply, that'll help a lot.

Have you considered applying for a HELOC?

However, according to the legal folks at the California Apartment Association, the CDC order may not even apply in California.