Originally Posted by
kornner
Don't forget the almost non-existing online upgrade availability. If you can't find one, then you'll end up requesting for upgrade sector-by-sector at airports and that will cost you more qmiles.
Not anymore thanks to last year “enhancements” ;-) Now upgrading sector by sector or both sectors at the same time costs the same amount of Qmiles (but still less Qcredits if upgrading both sectors at the same time).