Select properties are also offering
quadruple points during the promotion period and both offers are stackable.
Not exact matches
During the holidays, for example, AMEX offers double, triple or even
quadruple points for purchases with retail stores such as Best Buy, Target, Groupon and Home Depot.
Only qualifying spending
during the stay charged to the room account is eligible to earn
quadruple GC Award
Points.
One thing I forgot to add: If someone is doing the Tables in Wonderland and staying at the Swan or Dolphin, in addition to the 20 % off, you can also use your SPG rewards credit card to earn double SPG
points when dining at the resort restaurants... and
quadruple points (4
points per dollar spent)
during certain promotional periods.