Originally Posted by Ron Bennet.
The last I checked, Google / Yahoo will not accept paid ads from cannabis related sites nor will many other venues.
Add to that the challenges of merely collecting payment from advertisers, etc ... PayPal and other similar payment services will not provide service to cannabis related sites; getting credit card merchant account is very difficult for a cannabis related site...
It's easier to run an "adult" (aka porn) site than a cannabis site ... Google / Yahoo will gladly accept such ads, various payment processing options, such as merchant account, are more readily available.