First: If I were Heroku I won't give you any discount, not after this. Secondly: Heroku is high class hosting, they charge you for being able to host yours "sp

First: If I were Heroku I won't give you any discount, not after this. Secondly: Heroku is high class hosting, they charge you for being able to host yours "spikes of traffic". Third: I'm pretty sure you enjoyed their free hosting plan for a long time, you should be thankful.