Did you know that you can shop with search engines?
How to make a great deal on search engines?
For example, if you do a Google search for boots, you will 
see a button called Shopping above the search field . If you press this button, you can see the products sold on various sites at once.
It’s also important to look at the item before you buy it. Maybe you can buy the same one at a great deal.
If you want to buy a personal computer, there are some sites like this one that summarize the product features and recommended products.
Recommended sites
Other price comparison sites such as Kakaku.com and Trivago allow you to buy products and services at great prices. Why not take a look once while pressing the purchase button on Amazon or Rakuten?