So I just found this clause in the Online PTS when booking flights and hotels. The question is: if I used the Gold card (Canada), which gives me 2x points on flights and hotels already, will this effectively double it to 4x if I use PTS to book?

Thanks, everyone!

Additional Membership Rewards® point Offer
Basic Cardmembers enrolled in the American Express Membership Rewards® Program that book travel through the American Express Travel website will earn one additional bonus Membership Rewards point for every dollar charged to their eligible card for hotel and car rental bookings (less credits and adjustments) where American Express Travel (not the hotel or car rental company) is the merchant. The number of bonus Membership Rewards points is calculated by multiplying each eligible transaction by one subject to rounding. Terms and Conditions of the Membership Rewards Program apply.

Eligible Cards include: The American Express® Card, American Express® Gold Rewards Card, Platinum Card®, Centurion® Card, Choice Card from American ExpressTM, ChoicePlus Card from American ExpressTM, Business Platinum CardTM from American Express, American Express® Business Gold Rewards Card, American Express® Corporate Card, American Express® Corporate Gold Card, American Express® Corporate Platinum Card, and the Platinum Credit Card.

± Hotel bookings under the FINE HOTELS & RESORTS or The Hotel Collection programs are not eligible for this Bonus Membership Rewards points offer.

In order to redeem points for any travel booking, the Membership Rewards Program account must be active and the Card must be in good standing.

Bookings are also subject to American Express Travel Terms and Conditions. To view these please visit americanexpress.ca/termsandconditions