Keep in mind too that where you live (not where you are domiciled) determines your state tax rate, as long as you do less than 51% of your flying in one state. And you might be at a major for a LONG time before you are senior enough to bid and hold your desired domicile.
A top tier Delta or United pilot living in California will annually pay $35-38K in state income taxes. Living in one of the seven states with no income tax or the two states that don’t tax wages, can make that much of a difference annually at the end of your career.
https://smartasset.com/taxes/states-with-no-income-tax
Commuting from a state with a lower (or no) tax rate might be a reasonable option. Especially if it’s a reliably easy single leg commute.
https://www.microsoft.com/en-us/micr...t-income-taxes