Millwall on the train, cheaper tickets.

Looking to get the train to millwall but ticket prices are insane if you book on your own. If you book in a group of 4 though tickets come down to about £30 each. Train I want to get leaves Cardiff at 8.55am, If anyone wants to club together and get cheaper tickets let me know (either here or PM me). Ive got 4 days off work starting Friday so can meet by central station anytime between Friday - Monday.

I'm getting a coach now but my mate works behind there can get 14.50 each way but have to get on the correct train at the right time