Social Bookmarking is becoming a popular method to get visitors to your site. The popular social network sites are followed by millions of visitors daily bookmarking their favourite sites. Descriptions are added to you bookmarks in the form of metadata, so users can understand the content of the bookmark without visiting the site or landing page.  A good description & metatags will draw attention to your link and a click-through may follow and a potential sale.
WebNet Marketing Australia can offer six social bookmarks packages:

100 Bookmarks - $190 inc GST
200 Bookmarks - $280 inc GST
300 Bookmarks - $370 inc GST
400 Bookmarks - $460 inc GST
500 Bookmarks - $550 inc GST
600 Bookmarks - $640 inc GST