The simple answer to this question is the cost of an e-commerce website depends on the number of products you have available for purchase. While product pages can be templated, the on-page content should be unique and informative. Agencies typically charge website costs by the number of hours required to complete the website. The more products, the more pages, and the more hours to complete the website. ​For M&P, our e-commerce websites typically range from $8,000 to $20,000 depending on the number of products.