Ferry operator MyFerryLink has commissioned an infographic designed to help people plan a "booze cruise".
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The Dover to Calais route has long been a popular route for people stocking up on affordable wines and with the economy still the way it is this can be a very attractive option for families on a budget.
Besides, it can be a fun day trip for the kids too if you decide to do more than visit the hypermarkets on the continent.
Have a read through this beautifully designed infographic called the "Ultimate Guide to a Calais Wine Trip" and see how affordable such a trip could be.
This infographic explains the basic maths required to work out whether it is worthwhile going on such a day trip. Factor in a child or two and there's less capacity for wine but you could still have a fun day out exploring Northern France.
There's plenty to explore in the region and the excellent road links from the French port meaning day-tripping to Lille, Dunkirk or Rouen are all a possibility. Travelling to another country is also very feasible, with Bruges and Ghent in Belgium under around 1½ hours drive from the port of Calais.
Take a look at the HMRC website for tax and duty restrictions on products you may bring back with you from the EU.