COMC is great for buying low-end stuff in bulk, in my opinion. I'll go there and look for lower end PC stuff, and if I can find a handful of what I need, I'll make a purchase. Bought like 40+ cards there twice in the last month.
"Most of the time I was convinced that I'd lost it. There were other times I thought I was mainlining the secret truth of the universe." -Rustin Cohle, True Detective