This document discusses common mistakes made during new product commercialization. It begins by outlining the typical stages of product development. It then distinguishes between incremental and breakthrough innovation, noting different management tasks and resource allocation needs. Common marketing mistakes are identified, such as not understanding customer needs, improper positioning, and failing to capture repeat customers. Specific examples of product failures are provided, like New Coke, Kellogg's in India, and the Tata Nano, along with lessons learned.