Sounds as if you are considering a relocation based upon tax planning concerns. Keep in mind, anytime you leave a state that has income tax to another state that does not - domicile issues come into play (ie: NY to FL - CA to TX). You could face a domicile audit, depending upon your income level. The person or agency asserting the change in domicile bears the burden of proof. You must "leave and land". View my website for some tips on how to successfully change domicile to minimize your overall tax consequence so you do not have out of pocket expense.
Alaska residents pay the lowest state taxes, 6.6% of their income. They do not pay state income or sales tax and even get tax credits from the government because of the excess revenue it collects from companies extracting oil from the state.