source: https://milelion.com/2024/09/01/cardup-x-amex-promo-buy-miles-from-1-36-cents-meet-welcome-offer-minimum-spend/
CardUp x AMEX promo: Buy miles from 1.36 cents, meet welcome offer minimum spend
From now till 31 December 2024, enjoy a 1.8/1.99% CardUp fee with AMEX cards. Limited redemptions apply.
