How can I use my cashback? December 24, 2020 06:43 Updated Cashback will automatically offset any upcoming payments you have with Rely. Related articles I didn’t receive my cashback, what should I do? How can I earn cashback? How long do I have to wait for cashback to be credited into my account? Can I still earn cashback on top of partner merchants’ existing discounts? How do I know if my transaction is eligible for cashback? Comments 0 comments Article is closed for comments.