You probably wouldn’t get refunded for mistakenly buying a code and then not following the company (Amazon) terms and conditions
This email message is probably automatic, talk to amazon support and ask for more details about your redeemed codes
When you purchase on gameflip, They usually bans when you when you redeem a code that it wasn’t supposed to you redeem (incorrect region, fake billing adress, VPN use) or codes reported as stolen.
It’s the problem when you purchase cheap codes on gameflip, this just means they purchased this even cheaper and it’s either stolen and you have to redeem asap or it’s for another region with cheaper currency and cheaper prices
Here I’m talking about cheaper codes and everything you need to afford when purchasing and selling codes Request a gift card from me if you want - #3 by Bloxy_News_Brasil