Originally Posted by
iahphx
As to whether to buy more, look at what they offer and the amount of points required, consider your past travels and try to predict your future trips. If you would easily use up the additional points in 2 1/2 years -- and they would represent a significantly better deal than what you're otherwise likely to find -- buy more. If not, keep the money in your own pocket and buy the travel as you need it.
I would not count on 2 1/2 years, but rather the next 12 months - because there is no guarantee the program would not devalue, i.e. redemption levels go way up, just like what happened to the properties in New Zealand last year. The increase of points required jumped 3 folds!