I've read the instructions three times, and I can't understand whether the Traveller card being discarded can have been played that turn, then discarded in the clean up phase, or whether it should still be in hand at the clean up phase, and discarded at that point to trade up to the next level of Traveller.
Secondly, does one need sufficient coins to trade up to the next level during their buy phase, or is trading up free, costing only the discarded card?
I understand that the discarded card should go back in its original pile, not in the Trash pile. I'm just unclear on those two points mentioned above.
Thank you for your help!