I mean, I've placed orders for next day delivery on christmas eve, but I'm a realist. I know the postal system is busy at this time of year, and that my item may be late or damaged.
We are nowhere near instantaneous transportation, so there will always be logistical delays. Planning your holiday purchasing around those delays is smart, assuming that 2-day shipping is always guaranteed and waiting until the last moment is playing with fire.
There's that moment when you feel the chill in your bones; a lone mourning dove flaps its wings in a bare-branched tree. You're sitting on the front steps of your house to prevent the dreaded door tag when you realize you've invested far too much into acquisitions and material goods and the international supply chain.