You already love the one-stop convenience of shopping online at Amazon.com, but chances are you're not getting everything you can out of this feature-packed shopping engine. Did you know Amazon can email you suggestions from Mom's wish list two weeks before her birthday? Automatically ship you a new case of toilet paper every two months? Refund the difference on the price of an item you purchased that went on sale? Several advanced Amazon features and third party apps and add-ons can help you get the best deals and the stuff you want delivered to your door right on time. After the jump, add our favorite 10 Amazon power-shopper tools to your cart.
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