If the drug nazis would find gainful productive employment elsewhere and let people grow their own the price would come down to free.
Why would you buy what you can grow for free?
I’v been a smoker (tobacco) for over 50 years, in all that time I am the only person I have ever known to grow my own tobacco.
It takes work, knowledge, and time, to grow and process good tobacco.
Most people are to lazy or ignorant to even try.
I brew my own beer with the barley and hops I grow.
I distill my own whiskey out of the corn I grow.
I roll my own smokes out of the tobacco I grow.
All of these things I mention above are not overly technical, nor are they overly difficult.
But they do require a lot of what most folks would call hard work and attention to detail.
If pot were made completely legal today it would be my guess that less than 1% of the users would bother to grow their own.