RE:CBC Fifth Estate.................... That's why you do DD. That being said, I have gambled a few times on some stocks I didn't have much confidence in. GHG was one of them. They were being hyped and I got it at 4 cents and sold at 6.5 cents for a nice 62% profit. This opportunity only comes along rarely in a lifetime where all these stocks are going up for no reason... but who cares they are going up. Heck even Matica MMJ was sitting at half a cent to one penny, only recently went to 3 cents. Imagine if you plunked a bunch of money on it at 1 cent, you'd have triple your profit if you sold at 3 cents!
Another reason I'm not worried about scammers is that I'm currently up 400% in my portfolio, all marijuana stocks. So yeah maybe I pick a dud and lose some money, big deal. It has happened before, but I'm also up so much that the gains outweigh the loses. Look at all the pot stocks right now and compare them to a few months ago and you see a pattern, that they are ALL up... even AFI that was trading at 3 cents only a few months ago.
The lesson though is always make sure to diversify your portfolio and always take profit when the price gets inflated. Don't follow a stock to the bottom, sell at a loss and put the remainder on your best performing stocks to recoup your losses.