Groupon takes up to 88% off a selection of Apple iPhones, iPads, Mac laptops, and accessories as part of its Apple Event Sale, with deals starting from $4.99. (The banner advertises up to 75% off, but we found deeper discounts within.) Shipping starts at $3.99, or get free shipping on orders of $34.99 or more. A couple of best bets, each with $3.99 for shipping:
Groupon offers the Eyn Power Case for iPhone 6 in Black for $29.99 plus $3.99 for shipping. That's the lowest total price we could find by $16. This 3,000mAh case features LED indicators and includes a micro USB cable and headphone extender.