“C” type batteries are cheaper on Amazon… Huh?
Do you have a link?
Here is the link I think the above user was referring to.
Those are AAA. Still, I found the AA Max batteries on amazon for $40.99 with free Prime shipping. Comes to the same price as the Woot price after shipping.
http://www.amazon.com/Energizer-Max-Alkaline-Batteries-Made/dp/B00KMDL8U6