You can only use Skype if you've got wifi - and I don't believe it will do you any good if your car breaks down. That's one reason we got our kids phones, because they'd be out driving after dark... and yes, I've had to go rescue them when their car had a major flat as they were on their way to school, or on a deserted road.
you may only want a cheap phone with renewable minutes, but really, sometimes there are emergencies, and only a phone will do.
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