Today, it’s easier and more affordable than ever to add e-commerce to your website—but that doesn’t mean you shouldHistorically, e-commerce hasn't been an option for the average small business. The cost of implementing a functioning online store—potentially well into the six figures—was prohibitive. It simply didn't pay for most businesses to seriously consider selling on the Web.?Today, however, it's all changed. Technology has improved at a rapid pace, and the costs are falling just as quickly. You can now build a website on an open-source platform such as Magento for a few thousand dollars, or even host your online store on a service like Shopify starting at just $29 a month. What was once overly complicated and expensive is now ­surprisingly simple and affordable.At face value, it seems as if adding a low-cost, easy-to-use shopping cart to your website is a no-brainer. But