Originally Posted by
jjmiller69
Yes if you do a product change/downgrade the points don't expire.
Only if you product change/downgrade to another TYP card with no expiration, such as Preferred (or, presumably, from Prestige to Premier). I think downgrades to Preferred are the only ones on which have datapoints, though..
Your points do expire if you product change to, say, DoubleCash.