Should you buy euros/dollars before EU vote result? New trick solves this problem

Update, Tuesday 5 July: This trick still works but the Brexit vote led to many currency firms watering down the gain. The text below is as first published on 21 June so for the latest firm-by-firm info see our Travel Money Tips guide. The EU referendum’s on Thursday and we’ve been swamped with people asking: “Should I buy currency before then,...