What is the advantages of electronic payment system?

Advantages;

Customers have a choice whether to visit the shop or purchase using the internet.

Disadvantages;

Someone can easily find out your card details and use you card - lack of security

Not always reliable - can easily break or not work if phone lines are down

They can sometimes over charge you or display the wrong cash amount

Can frequently decline your card

Not all of them accept certain cards - e.g. American Express