Listen to Product Manger You Have a Great Product so Just Buy It Already! online. Product Manger You Have a Great Product so Just Buy It Already! is an English language song and is sung by Dr. Jim Anderson. Product Manger You Have a Great Product so Just Buy It Already!, from the album Product Management Secrets: How to Work With Sales, was released in the year 2012. The duration of the song is 3:25. Download English songs online from JioSaavn.