The Marijuana Mullet may not be the latest hair craze for stoners, but a business model where top line sales make eye-popping headlines but bottom line profits are scare. As they say, business on the top, party in the back, except many in the cannabis industry are still waiting for the party to start in the back.  Massachusetts is great example of staggering marijuana sales numbers, yet cannabis businesses are closing up and licenses are being given away for pennies on the dollar.