1) I bet that conversions plummet on a page where the buyer can't immediately get the item. There's a reason they have optimized for fast delivery. 2) I bet th

1) I bet that conversions plummet on a page where the buyer can't immediately get the item. There's a reason they have optimized for fast delivery. 2) I bet that the average cart size at checkout is less than half of the cost of an Echo. The benefits don't outweigh the costs of a marketing stunt of claiming that they are sold out.