Some of operation is non-value added activities and lack of supporting documentation and information.
Advantages
1. Create more convenience choices for the payment
2. Have various products which is imported in Thailand yet
3. Processing by High-Technology
4. Customers can firstly view the product on website
Disadvantages
1. If the product is out of stock, customers have to pre-order
2. It requires long time to pre-order
3. There are high risks to be deceived