For years advent calendars were challenging to find. Today, we are swamped. In one shopping centre this week I saw them in supermarkets, discount variety stores, confectionery shops, newsagents, gift shops and even at the fruit shop.They all had boxes of them – many featuring licenced brands … and most were discounted. What was once a specialist retail line you could enjoy a good margin from is now another oversupplied line you will be lucky to break even on.