Inventory & Profit Tracker How it works: Just click on the “+” Icon below to add a new entry to your Sports Card Inventory. Once added, you can edit your own entries by clicking on the row you want to edit. Once highlighted after clicking, you can click the Pencil icon to edit your entry. This allows you to manage your purchases, sales, and automatically tracks your profits, losses and ROI percentage! What to duplicate an entry? Simple! Just click to highlight the row you want to duplicate, then click the duplicate icon! My Profit My ROI My PURCHASES My SALES