Caseology Store via eBay offers the Caseology Envoy PU Leather TPU Case for iPhone 6+ / 6S+ in six colors (Cherry Oak pictured) for $4.99 with free shipping. That's the lowest total price we could find by $8. It features a textured backing, shock-absorbent bumper, and raised lip for screen protection.
ThePruneDanish via eBay offers the OtterBox Symmetry Series Case for iPhone 6 / 6s in Blue/Grey, model no. 77-50889, for $14.98 with free shipping. That's the lowest total price we could find by $5. It features a bump- and scratch-resistant polycarbonate shell, impact-absorbent rubber inner layer, raised beveled edge, and openings for all ports and buttons.
Cell Expert via eBay continues to offer the Carbon Fiber Pattern Hard Case Cover for iPhone 6 Plus in Black for $1.31 with free shipping. (It's available for the iPhone 6 for a few cents more.) That's tied with our mention from two weeks ago and $5 below the lowest total price we could find for a similar item.
Note: This item ships from mainland China and may take three to eight weeks to arrive.
WirelessSuppliers via eBay offers the Lumee Illuminated Case for iPhone 6 / 6s in White for $24.99 with free shipping. That's the lowest total price we could find by $13. It features a dimmer switch, rechargeable battery, and charging cord.