I want to purchase my ticket for my Porto to Lisboa-Oriente AP train. I have a few questions before doing so.
-My train will be on October 18, a Friday morning, either the 9:47 or the 11:47. How far in advance do I need to make my purchase? If I wait until I am in Portugal 8 days from now, will I have a problem getting a seat?
-My reading of the terms of the ticket is that I can make one change in train time after purchasing the ticket. Is this correct? If I do have the right to make a change, then I can feel safer purchasing the 9:47 now, then possibly changing the time if I decide to leave Porto later in the morning.
-Is the first class ticket worth the extra money?
Thanks for your help. And I would appreciate any other info you want to offer.