Anecdotal but I learned that some DJI drone props I bought were counterfeit about 7 months after buying them and after many drone crashes. I explained the issue

Anecdotal but I learned that some DJI drone props I bought were counterfeit about 7 months after buying them and after many drone crashes. I explained the issue to Amazon and after a couple of questions, they gave me a full refund. It was only 15$ and probably not even worth my time but it never hurts to ask.