If there's word that Grumpies can't stand it's bling, all those people in diamonds, and silly fast cars showing off. And what about those City boys in their stripy jackets yakking on about pork bellies and writing off your pension funds. And don't get Grumpies going on banks. Why does it still take 3 days to put money into your account but you can't speak to a bank manager any more? The lid is lifted on the baffling world of finance, with a few tips on how to get your own back on those wicked credit card companies on the way.