For its newsletter subscribers only, EverydaySource offers Four Textured Silicone Cases for Apple iPhone 3G for $14.99. Coupon code "S0830IWTP" cuts it to $5.69 and bags free shipping. That's the lowest total price we could find for four such cases by $3. The cases are red, orange, baby pink, and hot pink. Coupon ends after 1,000 uses.