Is it worth getting a coach rather than the train to save money?

I need to travel travel from London to Durham – a rail ticket will be £70 but the bus costs £12Every week a Guardian Money reader submits a question, and it’s up to you to help him or her out – a selection of the best answers will appear in next Saturday’s paper.I have to travel from London to Durham on Good Friday and am so broke I’m considering ditching the train in favour of a coach. A lack of planning means the three-hour train trip is £70. The