Ok, so I’ve made perfect golden snap oil using qwet method. First, freeze everything as cold as possible; 195 proof everclear alcohol, strainer, funnel, jar to filter into, coffee filters and your herb, I like using small intact nugs, like .1 or smaller. You need the most trichrome rich weed you can find. And wear the cheap stretchy gloves from the dollar store to minimize heat transfer.
Put your strainer, filter and little nugs into the strainer, put that on the funnel, into the jar, then slowly pour the alcohol over the nugs evenly. It’ll filter through faint yellow. If it starts going green stop, and remove the strainer so you get minimal chlorophyll. Then evaporate in a glass baking dish. Perfect golden snap. Like it was said earlier, most of the terpenes will be lost. It usually retains a light lemony pine scent. I like to do a second run of lower grade after I re-freeze my little nugs. Then let the buds dry and infuse it into butter or coconut oil for edibles. Waste not want not, right?
I need to experiment with a warm water wash first, it should pull most of the chlorophyll without touching cannabinoids. I started making bubble hash though and never got to trying it. On paper it should work though, just soak in room temp water for 24 hours before extracting.