Can I purchase 50% off days before I use my two free days? Elizabeth October 11, 2017 01:44 Follow No, you must use your two free days of skiing before you can receive the 50% off days. Related articles How do I request advanced passes? Are There Any Summer Benefits For Mountain Collective Passholders? What forms of payment are currently accepted for the Mountain Collective pass? Can I buy more than one Mountain Collective Pass for myself? Comments 0 comments Article is closed for comments.