Share 'Low Cost Production?'

I've used Office Depot to do two issues of my comics in zine format, each one had 10 standard pages folded in half, printed double sided, and a card stock cover. I got a better deal by buying my own ream of card stock and then having them use that. Making 100 issues of each zine, that came to 200 copies (I did the folding and stapling) for $214. Is there a cheaper way of making them? Kinkos was…