"Oh, I'll just pop in and see what they've got. Oh, look, a book I've been looking for! And another I've heard of that sounds interesting! And another that has a neat dustcover! And a graphic novel compilation! And..."
(two hours later)
"How much, then? Credit, please."
Thank God I don't go here terribly regularly. Because every time I do, somebody gonna get hurt REAL BAD. And by somebody, I mean my wallet.