Originally Posted by
FlyingUnderTheRadar
As some one who has flow FO for the better part of 10 years IMHO it is not worth doing any of the upgrade dance.
This states it very concisely. As a Gold this year I am running about 65% for upgrades, and over half of those have come at the gate just before boarding is announced. Time and effort spent strategizing for upgrades as a Silver will be (largely) wasted.