From their site ” Plow your way to a good deal – Christmas in July! It’s buy one, get one FREE on single-day Cedar Point admission tickets starting TODAY (7/10) at 5 p.m. through 9 a.m. on 7/12, available online only. For detailed info and to purchase later today, visit cedarpoint.com.
This is usually how I purchase our Cedar Point tickets on the buy 1 get 1 free promo.
Again the link to purchase will activate after 5pm on 7/10/2017. https://www.cedarpoint.com/