What EC2 pricing models are there?
Answer
On Demand - pay a fixed rate by the hour/second with no commitment. You can provision and terminate it at any given time. Reserved - you get capacity reservation, basically purchase an instance for a fixed time of period. The longer, the cheaper. Spot - Enables you to bid whatever price you want for instances or pay the spot price. Dedicated Hosts - physical EC2 server dedicated for your use.