Hmmmm...Maryland raises taxes on "wealthy", they leave in droves. IL and CA just jacked up tax rates on "rich", watch for same. People of means have been leaving MA, NY, NJ for years.
Most professional athletes are FL residents, which (surprise!) has no state tax.
One of Facebook's founders gave up his US citizenship and moved himself (and his newly found wealth) to Singapore after Facebook's IPO. Lucas sold his studio to Disney BEFORE the tax rates bumped up in January. Walmart is paying their quarterly dividend on December 29th versus January 2nd to save over $120 million.
And it goes on, and on, and on...