You just use your card for purchases as you always do and then, when first year of cardmembership ends, get all earned miles matched (for new cardmembers only). (credit-land.com)
During the first year of cardmembership, an issuer can not charge their customers fees that exceed 25 % of their available credit limit. (valuepenguin.com)
Instead, cardholders receive a 3 % rewards rate during the first year of cardmembership, instead of the standard 2.5 %. (valuepenguin.com)