I used a Coinstar machine within a local grocery store to redeem $175 worth of coins to a Amazon.com eCertificate. The gift code that was printed on the receipt did not work on Amazon.com. After numerous phone calls to both Coinstar and Amazon.com customer service help lines, it was determined that the gift card code was printed correctly and valid, but expired due from long disuse in the machine.

Unfortunately, neither company will claim responsibility for this problem.

Although, in my opinion, my change is still in the Coinstar machine at the end of the day and they need to issue me a valid gift card code.

Overall, Amazon.com customer service treated me like a fellow human being, with courtesy and respect. The Coinstar customer service was rude, unkind, and unsympathetic to my problem.

I will choose not to use Coinstar again, but may continue to use Amazon.com in the future.