It feels like every aspect going on holiday is getting more expensive, from flights to airport parking. There's one airport charge that's sneakily being hiked across the UK that many holidaymakers won't factor in until it's too late to avoid it. While having a friend or family member drop you off at the airport can be easier and cheaper than booking airport parking, most places now charge a fee simply for pulling over and letting someone out of the car near the terminal. And in one London