Advantages and Disadvantages of Shopping Online

Advances in technology and science have changed lives of millions of people all around the world. They make people’s life easier and more convenient. For examples, people can talk to people from different countries on the Internet or buy things online. Today, many people like shopping online, some dislike. Shopping online has both advantages and disadvantages.
Shopping online has three main advantages. First, shopping online is very convenient. People only use the computer to buy the things they want. They do not need to go out. Second, shopping online saves people’s time because they only need to order a product and receive it after several hours or days. In fact, they do not need to go to traditional shops and go around the shop to choose product that we want to buy. Third, the prices of the product when they buy online are usually cheaper than those of traditional shops. Last but not the least is it is easy to choose what they like. There are many shops online with many different kinds of products. And their pictures are posted in the websites of the online shops. Therefore, they can have a lot of choices.
Beside the advantages, shopping online also has several disadvantages. The first disadvantage is the quality of the product. People can not see the real products online. They only see the pictures of the products, so they don't how they are. The second problem is security. In many situations, people send their money but they do not receive the product they order.
Shopping online has two sides. Therefore people should be careful. They should shop in high reliability online shops. These are usually known by many people. They should send money after receiving