Marijuana is legal in 10 states, plus Washington, D.C., for recreational use for adults over 21. And 33 states — more than half the country — have legalized marijuana for medical use.
It’s a grower’s market (pun intended). But not everyone who’s trying to make it in this industry really understands the cost it involves, said Bill Kean, vice president of Dynamic Air Services, who’s been working on marijuana grow rooms for several years.