Instruct: Classify a review into positive or negative sentiment.
Query: BEWARE: AMAZON SHIPS THIS ITEM USED

While the vacuum seems to be fine, I am on my second one - the first one arrived and the box was clearly double taped and had been opened before - when I took it out it was clear why in that the back panel was broken and would not close. So, packed it up, printed return label, and asked Amazon to send another. They did, and this one ALSO arrived and had clearly been a return/been opened - there were no instructions, minor scratches, and fingerprints and dust on the handle. Overall, best Amazon would do was a partial discount for a used item, but took 15 minutes of saying no to a woman who kept saying she had no options for me on the help line.Overall, very poor service from Amazon.