This 3-Pack of Double-Walled Insulated Water Bottles, originally listed at $74.99, drops to $16.47 at That Daily Deal. Shipping is free if you order two or more three-packs. Otherwise, it adds $1.99. Even with a shipping fee, that price breaks down to $6 per bottle. Similar bottles sell for $10 or more each elsewhere online after factoring in shipping fees. They feature a 17-ounce capacity and can keep drinks hot for 12 hours. Sales tax is charged in most states.