Hello momofthe3bestest,
Thanks for reaching out to the Apple Support Communities. We understand you are experiencing some issues with Apple Gift Cards that you are receiving. We are happy to help provide some guidance.
What is the exact error message you are receiving when you try to redeem the cards? Knowing the error or message you get when you try redeeming them will be good to know for what our next best steps will be.
We show that you posted to the community from a related article that goes over what to do if you aren't able to redeem your Apple Gift Card. Did you have a chance to follow the steps outlined there for the error you were getting?
If you can't redeem your Apple Gift Card or App Store & iTunes Gift Card
Keep us updated on the answers to those questions.
Best Regards.