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Canada's medical marijuana industry is about to grow from a small-scale industry into a huge $1.3 billion economic behemoth, the Canadian Press reported over the weekend. And that free-market capitalist spirit will likely lead to cheaper weed.

On Tuesday, Health Canada, the national health organization, will officially start issuing new licenses to grow medical marijuana to major indoor commercial marijuana farms. These new grow-ops "will produce, package and distribute a range of standardized weed, all of it sold for whatever price the market will bear," according to the Canadian Press. This also means several big changes, for both industry and the whole Canadian economy.

The new regulations could mean a new market for abandoned warehouse real estate. One new weed operation purchased an old Hershey chocolate factory recently. The new indoor farms will be subject to Royal Canadian Mounted Police approval and must undergo regular health inspections, like any food or beverage plant. The new rules will also allow imported strains of product, similar to the beer market. Currently, medical marijuana is grown in 4,200 small distribution houses that RCMP officials contend are mostly criminal fronts. (Not all, but most of them.)