App to Track Price Changes on Amazon
For clarifications, I’m not talking about getting coupons or discount codes for a product. I’m talking about discounts applied as part of seasonal event or sales. So the items that can take advantage of would be fairly limited —the ones you definitely need in the future, but can wait out on.
Camelcamelcamel is the website which keeps track of a product you chose. Simply put the Amazon listing, and Camelcamelcamel will let you know when it reaches the target price. It does offer third party new listings and third party used listings as well; I cannot personally recommend it, as when I am shopping on Amazon, I prefer the item to be at least shipped by Amazon too. You can get the notifications from the website via email or RSS feed.
One thing to be mindful though, the deal Camelcamelcamel finds may not last till the time you get to purchase it. I’ve seen it several times where the price was dropped to my target point, but by the time I read the notifications, the limited offer —I guess— was already over.