American Express Business Gold Card launches a massive 100,000 Membership Rewards point welcome bonus, up from 70,000 points. Southwest Airlines implements a troubling new policy where changing your outbound flight now affects your entire reservation, potentially costing you perks and free bags. Chase introduces a game-changing self-service feature allowing cardholders to move credit lines between cards online without calling customer service. Plus, Marriott hotel booking drama, premium business card offers, and a new Global Entry alternative rolling out at US airports.