Upgrading Your Chase Sapphire Preferred® Card Could Be a Costly Mistake
Last spring, Chase brought back a best-ever sign-up bonus on the fan-favorite *csp*. While the bank has remained tight-lipped on exactly how "successful" that offer was, it's pretty clear that it was a hit, with many aspiring (and veteran) award travelers adding the card to their wallets. A year later, many of those same people are opening their most recent statement and seeing the annual fe...
