Groupon takes 50% to 70% off a selection of iPhone cases, as listed below. That puts each at the lowest total price we could find by at least a buck and as much as $13. Shipping adds $2.99, or bag free shipping on orders of $19.99 or more. The deals, each expiring at 1 am ET on the date noted:

• Home Crystal Case for iPhone 5 for $6.99 + $3 s&h (ends 1/22)
• Incase Cases for iPhone 4 to 5S from $11.99 + $3 s&h (ends 1/18)
• Jivo 10-Foot Apple Certified Lightning to USB Charge+Sync Cable for $14.99 + $3 s&h (ends 1/16)
• OtterBox Defender Series Case for iPhone 5/5s for $14.99 + $3 s&h (ends 1/22)
• Unu iPhone Battery Cases for iPhone 4/4S from $24.99 (ends 1/18)
• Armor-X ArmorCase All-Weather Waterproof Case for iPhone 5/5s from $24.99 (ends 1/18)