This Prime Day Diet Coke deal is the cheapest we’ve seen – 31p a can

Fill up your fridge for less. (Picture: Metro/Amazon/Getty)

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Amazon’s Prime Day sale is in its final hours, and while you may associate it with deals across devices, beauty products and home appliances, there’s some pretty standout savings

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3. This Prime Day Diet Coke deal is the cheapest we’ve seen – 31p a can