“RSStalker.com provides RSS feeds to track price changes of Amazon.com products. Generate a feed for a single product or for an entire wishlist. Add it to your favorite aggregator and you will be automatically notified when the price changes. Simply unsubscribe to the feed when you are done…Amazon.com doesn’t advertise it, but they have a 30 day price drop policy. If you bought something from them and they lower the price within 30 days, just fill out a form and they’ll refund you the difference. See the FAQ for details.”
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