Earlier quoted context omitted.
> There is no way to dodge taxes as a US citizen by moving abroad Well, no way to "legally avoid"; "dodge" is broader, and there are probably many ways of dodging taxes that are easier if the institutions you deal with in your daily life aren't subject to US jurisdiction and regulations designed to expose tax evasion to US authorities. Also, typically you want to have at least one national citizenship, so if you are…
you still have to pay exit taxes on renouncing, so not clear this is a good way of avoiding tax.
Also, forget about coming back (say for a friend's wedding or an important medical procedure), the laws assume that high net worth individuals are leaving to avoid future taxes.