Buying a second hand caravan is an excellent investment. A summer holiday can cost hundreds, even thousands, of pounds – most of which is spent on accommodation of one sort or another. Accommodation costs alone can make most families think twice about going away for a couple of weeks during Britain’s traditional holiday times: when you add to that the cost of meals out it’s little wonder that the hotel based holiday is going through something of a recession. Now that winter is charging down upon us, it’s an ideal time to check out the used caravans for sale.