In order to be required to pay State Income Tax you have to be a Resident of the state in question.
The primary methods used by states to prove you are a resident and thus subject to taxation are Entering Employment, Registering to Vote, getting a Drivers License/Registering Vehicles, buying a Residence, and having all your Mail addressed and delivered to an address in the state (especially your Federal Tax Forms).
So how do you legally avoid him if you're ERE and want to live in a state that has State Income Tax??
Now suppose I want to move to Colorado. How to live their but not be a "resident" and thus avoid income tax.
The first thing is since I am ERE I don't have a "job" in the normal sense...no paycheck..no taxes taken out..no need to file a form.
The next thing is I maintain my Florida Residency (no income tax here or in Texas...it ain't just the weather that brings retirees down from up north! They become Florida residents to escape State Income Taxes up north but still live up north 6 months or so a year).
I would do this by maintaining my Voters Registration (though that can be optional), Drivers License, Vehicle Tags (though for an RV Wyoming is the best state to register them..no tangible personal property tax..and you DON'T have to live in Wyoming to do so...also a no income tax state), Bank Account...hey with Debit Cards, Credit Cards, and ATMS you don't have to worry whether you can cash an "out of state" check so have your Bank Account where its most advantageous for YOU.
All bills and mail go to a PO Box address in Florida which is actually a Mail Forwarding Service...(USPS does it too but its more costly).
So now I am living in Colorado but as a Visitor/Tourist...just for a longer period of time than the usual...we call the 6 month Florida 6 month up north people "Snowbirds"...I just might want to spend more time than that in say Colorado or even California.
My objective is to to keep the state hands out of my pocket as much as possible.