Unfortunately, generic e-commerce systems don't always integrate well with your company's current operations and often can't provide the complete solution you are looking for.
When planning an e-commerce project for you we consider the products on sale, the processes required to complete an order and the requirements you have for administering the website and managing sales. Instead of adapting your sales process and short-selling your products you get a system designed around your company and your merchandise.
Hopefully we've made it clear that almost anything is possible, but there are a few features of an e-commerce system that are generally required as standard.