An ecommerce website allows small business to compete directly with big business and often have an advantage over big business because of the ability to adjust quickly to changing markets. Get it right and you could see exponential growth in your sales.
To be effective, your ecommerce website must be flexible, easy to manage with a shopping cart that is easy for your customers to use. Your site will fail if your shopping cart is too difficult to use. Shoppers must be able to complete a transaction with the minimum number of clicks and the minimum required thought about what to do next.
Of course, every ecommerce website is different just as every business is unique. Your ecommerce website should be designed with your specific needs in mind and different needs may require different shopping cart systems.