E-Commerce Tools:  This comprehensive set of tools includes all of the components necessary to build a fully functional e-commerce website:  establishing a merchant account, selecting which payment methods you will accept, establishing shipping and handling parameters, entering appropriate tax rates, checking outstanding orders and customizing your shopping cart.

Estimated Comparative Value:  Merchant tools and services that integrate features like order tracking and invoicing can be programmed or purchased as add-on software for prices between $1000 and $3000.