You’ve got the cash. You could swipe your card today, pay off a $1,700 bill and move on. But Klarna is offering to split the purchase into four interest-free installments, letting you keep your money parked in a high-yield savings account a bit longer. On paper, that sounds like a form of free optimization. But is there any real downside if you’re not financially stressed? Must Read In many cases, yes — and the risks have less to do with the math and more to do with how Buy Now, Pay Later (BNPL) produc ...