Added you for buying some of your valuable items.

can be useful -
https://www.reddit.com/search?q=title:updated_new_dota_2_giveaway_for_5000_active+selftext:all&sort=new

Hello user. Steam Marketing randomly buy any of your equipment up to $100.00 USD which is 646.54 Chinese Yuan that can be convert in real money. You will recieve the money first for Steam Guard Protection.

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你好用户。蒸汽市场买你的任何设备的成本高达$ 100.00这是中国646.54元。您将收到第一笔钱任何信用卡，以避免Hjacking 。