I think I mentioned before but fuel in the King's Lynn area is consistently 4p or 5p less per litre than at home so in summer my refuelling always gets done there in mostly at an Asda station. As my car goes well over 600miles on a tank even in towns and my travels are curtailed over winter I usually only fill up once or twice at home.
5p a litre may only amount to £3 on a fill but if you saw 3 shiny pound coins in the gutter would you pass them by?