I've paid anywhere from 140 to 300 Canadian in Sask. Better stuff is imported costs anywhere from 180 to 260, hasn't been really special either, lol. I've paid more on my travels north.
Instead of completely cutting off the top, you slice a small half moon in between the two leaves. Check out the link
http://hightimes.com/microsites/beginners/go_indoors6.inc.php