Finance and Business How much does a key copy cost at Walmart? How much does a key copy cost at Walmart? Walmart does provide key copying and cutting services in 2021. Customers can cut their own keys and make duplicates in-store at the MinuteKey kiosks. The price for each key can range from $2 to $6 per key. Related Posts:Does AutoZone make copies of car keys?Where can I make a copy of a key myself?Can you duplicate a key at Home Depot?Is it possible to duplicate a key at home depot?