Oh wow! I was trying to reply on another comment. It's totally unrelated to your comment. Sorry about it. I was trying to reply to the comment underneath this post, but I guess I must've clicked the wrong "reply" link.
Also, really? I didn't know. That's really interesting then. I'll have a look. I love to experiment with the game, I've already found one way you can abuse the shop, if there's a way to exploit price, It'll be the second. :D