Buying a product or service that no one else has makes you unique and sometimes a star, and people, by nature, like to stand out from others. If you can make your products more scarce compared to those of competitors, then here you have completed these products more valuable, which means that you can set different prices for these products. Today, scarcity is used in marketing everywhere, in direct sales as well as via the Internet, and what sites you use most today There are many types of scarcity in marketing, and giant companies such as Amazon use them in their daily offers, which motivate you to buy immediately before it is too late or motivate customers to buy the product during this day to get it directly. Some online stores follow a countdown policy for the offer or commodity to encourage their customers to buy, Some companies use a kind of scarcity in marketing through psychological stimulation and presenting the experiences of others, as does the Booking company. The most famous method in this type of marketing, which Apple follows, is by deluding customers that the available quantities have run out if they do not order the product, or we find it sometimes Online stores have a notification after the creation about one or two remaining pieces. As for the last types we review in this article, they are the limited quantities that motivate customers to buy them, whatever their price, and they target specific customers and always succeed in reaching them.