Originally Posted by
homanga
... So if I were to book the cheaper option I would have the option of SDC into the direct flight if same fare class ticket opens correct? ...
Yes, but it may be as late (if at all) as 2 hours prior to departure
Originally Posted by
homanga
...Now could I additionally standby on said flight (given no same fare class change available?)? ...
yes -- seat choice may be limited if it does become available
Originally Posted by
homanga
...If I were to do this would I additionally be able to be added to CPU list on said flight I am Gold? ...
Once confirmed yes. With Standby, it will likely be too late as CPUs are cleared before Standby is cleared.