Goal: Give out coupon codes that can only be used once (so they don’t share with someone else). 

Steps:

1. Locate the Monthly Lease coupon code in Chargify
2. Click Manage Codes
3. Add Codes that match the contest name and have a unique number
   1. For example TWOMANN20220001, TWOMANN20220002, etc
4. Provide the codes to the contest creator so they can hand them out
5. Be sure to inform the contest creator that each code is unique to an individual and can only be used once