Straight Talk Wireless offers the Apple iPhone 6 32GB Prepaid Smartphone for Straight Talk in Space Gray or Gold for $149 with free shipping. (Click "Add to cart", then scroll down and click on "No, Thanks! I don't need a service plan" to get this price.) That's $30 under last week's mention and the lowest price we could find by $19, excluding the below mention.

A close price: Walmart has it for $149.99 with free shipping.