Best retailing practices state that salon owners and managers should start  planning promotions about three months in advance. While it’s not hard to  put together packages or tailored retail displays, you can’t do it  last-minute.  To make it easy on you BeautyMark has created a cheat sheet for WHAT  HOLIDAY you should be planning and WHEN. In addition to national holidays,  be aware of local festivals and events in your own community.  SALON PROMOTION CHEAT SHEET   JANUARY Earth Month…