It's not that hard to make really. Check out
http://www.erowid.org for more info on hash oil or just about any other drug.
Here's the link for using butane
http://www.erowid.org/plants/cannabi...s_info13.shtml
This is the way you make honey oil. Everyone I know says that's the best kind there is. If you have any "friends" who always has alot of extra leaves sitting around, you can make oil for pactically nothing.
Enjoy
Jim