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I used my Chase Freedom card to buy something. I stupidly let the card report the balance. After paying off the balance, I redeemed all of my reward points into my checking account. I had to return something that I bought from the last statement.
What will Chase do? I have a credit on my account, but I have already used my reward points. Will they charge me a fee since I have already redeemed the points earning from this purchse?
In all likelyhood, they will adjust the reward points on future charges.
Your rewards points will show a negative amount and it will eventually zero out and build positive with enough card use. Been there, done that on one of my Cap One cards. Whether you pay interest on your negative rewards balance, I don't know.