Lawmakers in several states are struggling with how to craft policies to allow for the growing or selling of medical marijuana.

But while everyone else dithers over details, one tiny town jumped in and green-lit a large-scale indoor nursery for medical marijuana. And, as the video below shows, the city of Isleton, Calif., could end up raking in some badly needed revenue.

Isleton's financial state was so bad that some people wondered whether it had any future, reports NBC Bay Area News. Vacant storefronts are common, and revenue shortfalls were worrisome.

So the city has come to an agreement with a growers group to build the 4,000-square-foot nursery. In return, every month the city will get either 3% of the growers' profits or $25,000 -- whichever is greater, reports NBC's Garvin Thomas. That's at least $300,000 a year in new revenue, but estimates say it could end up being twice that much.

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For Isleton, that represents a 50% bump to its general fund. Imagine what that could do for a town whose fortunes have been sliding.

In addition, the growers have agreed to install security cameras anywhere in town that the Police Department requests and buy a laptop for each squad car, Thomas reports. It will also buy a new mainframe computer for the Police Department.

Thomas reports that instead of trying to write a broad medical-marijuana policy, Isleton simply decided to include the nursery in a developer agreement with the grower. It doesn't apply to anyone else.

And that's how one town got the ball rolling on medical marijuana -- and could see its future change dramatically.

Elsewhere in California, what's being called the "Wal-Mart of weed" opens Saturday. It's a 10,000-square-foot gardening store focused on helping medical-marijuana patients grow pot. The company behind the store wants to open other locations in Arizona, Colorado, New Jersey and Oregon, The Associated Press reports.