What's the worst thing you bought online?

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Although online shopping has been around for years, I had my first online purchase just a month ago. The first purchase was good and I enjoyed doing it so much that I always go back to Ebay to check out for more. After some reasonable purchases, I was frustrated with this last one. It was a white blouse that was described as brand new without tag, washed but not used. In the picture, it still looked new. I bid and won it. When I got the item, it appears like it has seen better days, so to speak. I hated the seller so much that I wrote her a message giving her a piece of my mind, diplomatically of course. Afraid perhaps of me giving her bad feedback, she offered 50% refund of the price. I am new to this online shopping thing that this is the first and worst so far of my purchase. What about yours?