Portable display containers with spine and cross supports, methods of making portable display containers with spine and cross supports, and methods of using containers with spine and cross supports. The portable display containers have a plurality of tiers, each tier having a base tray, at least one spine, and two or more cross supports that add strength and rigidity to the display, allowing the portable display containers to be fully loaded with product or items prior to transportation and/or shipment to the display location.