Developers may be able to provide some rough.
The costs for some advanced features are easily justified when considering the incremental revenue that the features may generate. Developers may be able to provide some rough estimates of the average return on investment for some of these features.. According to the article, you may be surprised to learn that some projects start for as little as $350. A recent article at Ecommerce Guide gives some examples of the type of work that Yahoo! Merchant Solutions developers provide, from adding breadcrumbs to rebuilding your templates to search engine optimization.
Original text search at: ystoreblog.com/blog/2006/04/