They’re everywhere. In your inbox. In your letterbox. In your social media stream. On your television. And they’re all telling you the same thing: buy, buy, buy, because we’ve got a deal for you.

If it feels like you’re being inundated with even more Black Friday offers this year, it’s probably because you are. The shopping event is supposed to start on the last Friday in November – or the day after the Thanksgiving holiday in the United States, where this whole thing was imported from a few years ago – but it seems to begin earlier each year.