Cyber Monday: If you buy LM4,000, you receive LM9,000. Just for today!
Not double, but 1.25x bonus, only for today
Effective cost of purchased mile is therefore 1.46666 cents per mile
But subject to annual cap for purchased miles
I guess Lifemiles trying to make amends for the recent 10% increase in cost of miles plus the devaluation.
Also,not sure if worth it, as one can still "buy" miles through cancelled tickets at 1.5 cents