Hodgson Russ LLP; Alexander Spatari/Getty ImagesAs a tax lawyer, Mark Klein, has seen wealthy individuals continue to relocate to tax-free states.While savings are the main reason, cultural fit also plays a role in relocation.For movers, it isn't as simple as picking up a driver license — you must prove that you live there.This as-told-to essay is based on a conversation with partner and chairman emeritus at Hodgson Russ LLP, Mark Klein, who specializes in tax law.