Optimizing eBay fees with Coach Jack! Our guests are Coach Jack Darton, Senior Manager, eBay Seller Experience, and Maria Lambert (eBay ID kristinalambert). Coach Jack anaylzed Maria’s listing strategies in light of the new fee initiatives contained in the 2015 Spring Seller Update and discussed her format mix and duration with her. To have your account considered for analysis by Coach Jack, please send email with your seller ID and any pertinent details you want to share to [email protected]