Greencard holders are also obligated to pay exit tax after several (8?) years of residency. IMHO, this a big deal only if you have illiquid assets. If you don'

Greencard holders are also obligated to pay exit tax after several (8?) years of residency. IMHO, this a big deal only if you have illiquid assets. If you don't have any the only problem is having to realize the unrealized gains - not the end of the world.