Wyndham cardholder promo: Earn 10X points when adding authorized user (possibly other Barclays cards too)

My wife received an email the other day offering 10X points on up to $250 of spend when adding an authorized user to her Wyndham Rewards Earner Plus credit card. That’s a card that’s issued by Barclays and these types of offers often go out to cardholders of a variety of cobranded Barclays cards, so […] The post Wyndham cardholder promo: Earn 10X points when adding authorized user (possibly other