When the first intrepid British tied planks of wood to their feet and slide down the snowy mountainsides of Europe, I doubt that they realized they were starting a multi-million-pound holiday industry. As many winter holiday makers now know, skiing isn’t just for the rich and leisured classes. It is open to all of us who can afford the price of a winter package holiday and there is a whole range of companies offering to fly and bus us to the slopes. Fans of the sport don’t need me to offer any dos and don’ts. However, if you are considering buying you first skiing holiday, read on. And bear in…