Originally Posted by BigLar
So does this mean that if I don't do something by the time of the flight, the residual value disappears? I won't have some amount "in the bank" that I can apply to a future flight by re-booking?
the residual value will be nil after the time of the flight, you can only claim the taxes back (they deduct an administration fee).
Originally Posted by BigLar
What if I rebook it now for some time far in the future (well, as far as they will let me) and then change that one? Seems like it might be expensive.
that will be expensive as you would pay the change fees twice.