You can keep a watchful eye on the price with the help of the website CamelCamelCamel. Enter the URL of the product in the search bar on the top right of the site, and it'll take you to a page that reveals the historical prices, which will give you an idea of whether you should wait for it to drop again. It even tracks the same product sold by third-party vendors. You can also create email or Twitter price watch alerts so you won't have to keep checking the site manually.
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