Image via CrunchBaseI'd really like to be able to post a buy order at Amazon.com for an item that will execute automatically if/when someone posts the same item for sale at that price or lower. Or even a service that will let me watch a price on an item at Amazon.com so I can tell when an item is available used at or near a price I like, or give me a sense of when or whether it will ever drop to that price.
I haven't found anything like the latter anywhere online, and I can't imagine how something like that would make money.
Related link: Amazon is the Google of buying stuff.
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