The good news is that a zombie attack is relatively easy to prepare for.
Its the most sustainable plan, but also difficult to execute.
Those who already own ahobbit homeare already halfway there if they fortify.
via privateislandsmag.com
Queen/King of the Hill
Theres a reason that Bond villains tend to favor mountain strongholds.
They combine aspects of both islands and bunkers, but are also excellent places for being highly defensible.
you could also roll boulders onto them for easy disposal and cleanup.
Going toward, rather than away from, inhospitable climates might work to your advantage if youre properly trained.