By taking a small 3.5 percent commission fee once an item sells, Rock Square seriously undercuts the cost of selling online compared to other popular marketplaces, where fees average more than 10 percent.???Rock Square???s audience is unique???it defies the faceless, one-size-fits-all approach offered by places such as eBay or Amazon,??? said Rock Square Founder/CEO, Paul Scharfe. ???By creating a