Spring offers the American Apparel Men's HVT High-Zip Hoodie in Black, Lapis, or Molasses for $20 with free shipping. That's the lowest total price we could find by $5. It's available in sizes S to L, although not in all size/color combinations.
Virtual Exchanges via eBay offers the Billabong Women's Beach Dunes Sandals in Black/White or Cognac for $14.99 with free shipping. That's the lowest total price we could find by $9. They're available in sizes 6 to 9.