Holiday secrets they'd rather hide: 1. Christmas specialty drinks are just base drinks with seasonal syrup charges. Grande Peppermint Mocha costs $6.45, but a grande Americano with mocha, peppermint, and steamed milk added runs $4.25. Identical taste for $2 less. They never promote this because holiday drinks drive their December profits. 2. Rewards program members can exploit December bonus star events by reloading gift cards and spending instantly. Double Star Days give 4 stars per dollar vers