In need of an entertaining bank holiday without splashing the cash? We know the feeling. With pay day a marathon of a week away and this being the final bank holiday before Christmas, you’d be forgiven for saving the pennies, whilst simultaneously fighting your inner thrill-seeker. But it doesn’t have to be all bells and whistles when it comes to having fun; there are simple ways to save and celebrate that extra lie-in. We’ve come up with a few ideas – most of them are free or super cheap. Al fresco dining A simple and low-cost way of getting the family together, picnics and BBQs are always popular with bank…