An apparent glitch allowed travelers to rack up hundreds of thousands of airline points through an online shopping promotion. According to Resell Calendar, a deal‑tracking and resale industry account that frequently flags high‑value promotions and arbitrage opportunities, a British Airways shopping portal briefly allowed users in January to earn 250 Avios points per dollar spent at Kate Spade , a New York–based fashion brand best known for its handbags. Avios are the loyalty curren cy used by