Can we say that the critical success factor for office depot e-commerce business is

1. Brand - Established. Less investment on advertisement.
2. Sales Network - Win new customers using the internet.
3. Purchasing power - Low price and able to compete online.
4. Cost - Lower processing cost (depot) and Telecommunication cost (client)
5. Inventory - Customer can plan their purchases looking at the stock.

Regards.

that appears to be 5 factors, and is there a point to your question or are we doing your homework/coursework for you?

well I happen to be a software developer that builds applications but I have do not hold a masters in business add or a degree in business add. To build a successful e-commerce application both technical and business knowledge is essential. Hope this explains my standing.

what is the difference between "factors" and "csf"?

They also have an affiliate program where other websites help them sell their products.