eBay:

eBay is a 15 years old succesful Business to Consumer Multi-million Company, the main purpose of eBay is eShopping , where you sign up to the website , search for an item and purchasing it by filling your credit card information.
Some Advantages:
1- Its Time Saving
2- Its Cheap
3- There is a wide veriety Of Goods which may not be even found in a real store

some Disadvantages:
1- Late Delivery.
2- Wrong Deliver ( an item might be sent to a wrong adress )
3- Recieving Wrong or Damaged items.