Screenshot of Resale Options
Make "Purchase Price" a percentage of "Retail"
Put a check in this box to enable additional resale options.
Purchase By Percentage of Retail
These fields allow you specify the percentage that you will pay for items you purchase from a customer. When purchasing inventory, the Purchase Price of the inventory will automatically calculate based on the Retail price you specify.
Hide Percentage of Retail at Checkout
Hide the ability to view the percentage of retail at checkout
The percentages you specify above apply to the entire store. You can override these percentages on individual categories. See the Category Settings page for more detail.