Not speaking from experience but I thought it requires heating lamps, knowledge of make vs female plants, different types, etc.
I suppose in the states where it’s been decriminalized, you can grow it outdoors and not worry about some of that stuff, but that certainly seems like more work than tossing some Sudafed and whatever else in an empty can and shaking it a bunch.
Again, not advocating anyone try meth. Do not try meth.
A bunch of seeds and a pot of compost?
Speaking from experience, fwiw.