The Pros & Cons of a Retail Store Vs. an Online Store. With the popularity of online shopping, someone with an idea for a new retail business no longer has to open a storefront.

Online store owners don't even have to worry about overtime pay or round-the-clock electrical bills, but instead get to enjoy the fact that their store's doors never close. References.

From shopping carts to marketing tools to image-editing software, here's a look at 35 open source tools and hosted services that can help you get started with your own Web store.