Amazon & Bol.com Case Studies — Marketplace Growth Portfolio | Hans van Leeuwen Real marketplace results: Amazon NL & DE, Bol.com and e-commerce operations case studies by freelance e-commerce manager Hans van Leeuwen — including Connect Car Parts. Featured case studies Connect Car Parts — automotive parts e-commerce: Amazon DE, eBay DE & Magento operations More marketplace results: 70% market share in the earplug category on Amazon NL (Nielsen data), out-of-stock rates below 2% through improved demand forecasting, and 20% weekly sales growth via targeted Sponsored campaigns. See also Amazon NL specialist services and Bol.com consulting. https://hansvanleeuwen.com/work