Can I purchase 50% off days before I use my two free days? Katie February 24, 2018 19:13 Follow No, you must use your two free days of skiing before you can receive the 50% off days. Related articles Can I transfer unused ski days to my Mountain Collective Pass next year? How do I redeem my Mountain Collective Pass? How do I purchase a 50% off ticket at each destination? What ticket qualifies for 50% off? Can I purchase the Mountain Collective Pass while at a destination? Comments 0 comments Article is closed for comments.