It is hard to stop at just 3, so I won't
1. The gold/platinum challenge
2. lifetime gold/platinum status with 1MM
3. Exchanging 8 upgrades to VIPOW's
4. Double miles click card about 1 1/2 yrs ago
5. Double coupons for Healthy Choice promo and then Kellogg's promo -
6. Various bonus opportunities that I would otherwise not have known about (between Canada and US, Europe, OLYMP, AVON1, etc).
7. AMEX Starwood's Card, Starwood program that allows transfers between spouses.
8. Diner's Club Card
9. Hilton bonuses for changing preferences
10. British Airways double promo with DC
That's just to name a few. Mainly that there is a whole community of people willing to help each other in the quest of our commong goal - miles. Also, that I am not alone in my addiction.
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DtG