Consumer News: Buy now, pay later surges; Mega Millions jackpot at $740M; Santa discipline

In today's consumer headlines:  Buy now, pay later services hit a record $991.2 million on Cyber Monday, raising concerns about financial risks for consumers.  A quarter of parents are using Santa to manage children's behavior, though experts caution against relying on this tactic.  The Mega Millions jackpot has soared to $740 million, offering a chance for a festive windfall.