A McDonald's is seen on October 23, 2024 in the Flatbush neighborhood in the Brooklyn borough of New York City.McDonald's is preparing 2025 value offerings in a bid to hang onto customers who are fed up with high costs at restaurants.The company is working on a new "McValue" approach for next year that involves keeping the $5 value meal offer it launched this summer on the menu for the first half of the year, along with introducing a "buy one add one" option for $1 more, CNBC has learned. The "buy one add o ...