search for a Forbes article "Tax-Free in the Rust Belt" posted 1 Aug. It might help.
WA, AK, TX, FL, WY have no income tax. (look into Sheridan, WY for a nice military retirement spot). NH only taxes investment income, but has quite high prop taxes (as does WA in my case... $10k/yr) WA has some beneficial estate taxation. It is a good state to create and hold your Living Trust, and be sure to hold your properties from other states in your WA trust. Thus it will be executed favorably, and uniformly. Gotta love that full 'step-up' cost basis of the Living Trust, too bad you have to die to get it

... Mine cost me less than $2000 to set up, with wills, health care directives, dependent trusts, designated distributions, and a family charitable foundation (donor advised fund)...
For retirement, you want to avoid states that have low tax thresh-holds, and tax all income. That can really hurt, after all, EVERYTHING goes out now, none of this "I'll just work a few hours Overtime to buy those new tires, firewood, or to pay the taxes..."