It is a little bit like eBay. I buy stuff off there for 99p and the postage is £10.
In all fairness it is not just the posting but, getting a stamp, going out, finding a post box and putting yourself out. On the other hand, they are trying to get rid of the ticket and you could just use the franking machine at work and put in the internal post.
I really wanted to go to this game, but the kick off time put pay to this!