La question fait l'objet d'un mini débat sur le web.

Voici l'un des articles sur le sujet

"Austin, Texas comes to mind as a good option based on the above information, but having living in Austin I know it’s gotten crowded and expensive. A suburb of Austin, sufficiently far out, might be a good idea. Michael Moorcock and Elizabeth Moon are two writers in that situation, and Howard Waldrop, notorious for living on the cheap (once in an empty septic tank, I’m told), has lived in the Austin area.

Maybe income tax and cost of living aren’t super critical, as long as you’re not in a place like California or New York where they are crazy high."