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Probably are... Even when making qwet you are better off decarbing first
1/2 gram of any bud will not generate any quantity of tincture. You need far more raw product to create any type of extract. When producing tincture you are extracting resin glands and minimal plant material. A .5g flower would leave you with MAYBE .025g of tincture
It depends on what you are trying to create. If baking or using the extract in cooking you wouldn't want the alcohol because it is NOT SAFE around heat sources or can be unsafe for certain types of consumption. The alcohol does not have anything to do with decarboxylation process, it is used to extract the THC and CBD from the plant matter after decarboxylation
Wax paper is all you need or you can use a paper bag but keep an eye on it so it doesn't burn in the oven
Yes. The heat will activate the THC, just drying does not activate. When you smoke it the flame activates it, when you cook with it you still need that heat to activate.