Sappho still ahead a bunch of issues with the legal sale of marijuana. And not just medical cannabis.
The issues they are facing are the same in any business as the project runs over time. Only some of them successfully solve, and for others the problems become an insurmountable obstacle.
Not all ready, most think they have it all figured out. But the issues and pitfalls in business are and always will be apparent. Because of this, most businesses merge.
That is, as you can see difficulties, then immediately abandon it.