With a decoy account you wouldn't need to go through the wiping rigamarole every time you travel. Just have the decoy account's login trigger a wipe of the primary account.
Of course, there's the question of how to make a realistic-looking decoy account that doesn't look suspicious on account of not having any files created in the past year or two, but with a little creativity you could pull it off.
Of course, there's the question of how to make a realistic-looking decoy account that doesn't look suspicious on account of not having any files created in the past year or two, but with a little creativity you could pull it off.