300 entries per $1 spent/Free mail-in entry — same odds/2017 Corvette Grand Sport Collector Edition/Plus $15,000 cash/Independent draw administrator/Entries open January 1, 2027/No purchase necessary/300 entries per $1 spent/Free mail-in entry — same odds/2017 Corvette Grand Sport Collector Edition/Plus $15,000 cash/Independent draw administrator/Entries open January 1, 2027/No purchase necessary/