Play "Chicken" with Spot Instances
AWS Spot Instances have an interesting economic characteristic that make it possible to game the system a little. Like all EC2 instances, when you initiate termination of a Spot Instance then you incur a charge for the entire hour, even if you’ve used less than a full hour. But, when AWS terminates the instance due to the spot price exceeding the bid price, you do not pay for the current hour. ...