The world of shopping on the internet can be a difficult one. Many shoppers have purchased items online, thinking they found a great deal, only to learn that another store offered the same price for significantly less. The best way to ensure you find the best deals online, is to use shopping comparison websites.

The types of shopping comparison websites vary, depending on what you are looking for. There are some sites that show the retail price compared to their own prices, while others show their rates compared to retail, and one or two other stores. The third type of shopping comparison website will show the rates at several sites, without actually selling the product.

Amazon () is one type of shopping comparison website, with a variety of rates available. They list their price, the retail price, and prices of the item available through their marketplace area. The marketplace area lists other stores and individuals selling the item in new and used condition. Take for example the latest book by best selling author James Patterson. In their marketplace, a used copy of the book sells for $7.50 plus $3.99 for shipping, while new copies start at $8.49 plus $3.99 shipping. Amazon also lists the book's retail price as $27.99, with their discounted rate at $15.39 and eligible for free shipping.

If you are looking for great deals on Amazon, Secret Online Deals () is a nice shopping comparison website to add to your list. Rather than list one specific deal in a certain category, the website offers several deals each day from different categories. They highlight the best deals available from Amazon, with a comparison of Amazon's regular price, Amazon's special sale price, and the retail price. The site is updated daily, and users who sign up for their free website are treated to special deals before they're opened to the general public.

Google Products () is a shopping comparison site where the products are not actually in stock on the website. Instead you search by the item you are looking for, and Google will compare the different shopping sites, and list their results. You can then arrange the items by price (low to high, or high to low), location, or store name. Its an easy to use shopping comparison website that lets you find some of the best prices available.

Shopping comparison websites are a necessary addition to any shopper's arsenal. The best shoppers, and the ones who find the best deals online, know that their first stop is always a shopping comparison website. If you were attempting to find the best deals on your own, it might takes hours, days, or even weeks of shopping around to find the best price. Attempting to do find the best deals off the web, could lead to misunderstandings, large amounts spent on gas money, and items not in stock. Using shopping comparison websites will guarantee that you find the best prices, and that the items are always in stock somewhere on the web.