Pricearchive.org is a price tracking service for the main AliExpress products with plenty of useful features. The price history charts show you the price trends and show you if the product has been on sale for over a year or not. There are also other features: You see the actual sales points, so you know how likely it is that a new product sold out quickly. To keep up with new sales it's nice to receive email alerts when they happen (which also works without registration). Let us know how we can help you track sales and realize your marketing goals.