9 grams/plant for 3-4 months of work, electricity, seeds, soil, sticky pads, bags, saucers, grates, lights, fans, etc. doesn't seem cost effective, but that's just me. I'm used to needing pint jars to make oil, not to cure weed. I have a 5 plant limit, guess that skews things. Or because I see people jarring several quarts from one auto plant. But what do I know, eh?