Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Healcomputer - E-commerce technology site + computer related articles + product reviews.
GlassIt.co - Find discounts, without invasion of your privacy. Download Glass It Price Tracker mobile app or browser extension 🇺🇸
This Is Why IM Broke - ThisIsWhyImBroke is a free online magazine run by a bunch of geeks who partake in way too much online window shopping.
Pricy - Amazon price watch
Awesome Stuff To Buy - Huge list of awesome stuff to buy online, if you're looking for cool things to buy this is for you, including gadgets and unique products from sites like Amazon.