you can use small amounts of extact to add hints of flavor to your finished product. there is more about this in the harvesting and curing section of the forums.
so, now mr. i know everything and i can afford to waste 20K on tools to make my plants look pretty. you can go there and get your information

i don't care if you bad mouth me by the way. you're 24 and still quite immature. give me bad rep, whatever. i'm 19 and you still look like a jackass.