EC2 Pricing

http://aws.amazon.com/ec2/pricing/
http://www.cloudberrylab.com/blog/amazon-s3-azure-and-google-cloud-prices-compare/


Running t1.micro (reserved) instance 24/7 for 3 years:

Upfront : $100
Charge per month: 0.005*24*30 + 0.05*30 + 0.12*15 = 6.9

[Note] take "Free Tier" usage as example : 30GB EBS, 15GB outbound network