Just $2 a day!

I don't spend as much, and yes, coffee can be so much cheaper, but it's also not a lot of money.

Interestingly, the following guy has a recurring theme on how trying to save on lattes is inefficient and distracting (similar to the idea of premature optimization in code):

http://www.iwillteachyoutoberich.com/blog/save-on-coffee/

Yeah. I make coffee at home. I'm not really sure what it costs me, to be honest!