How can you calculate the cost for growing weed at home in Vermont?

On July 1 it will be legal in Vermont grow up to six plants at home.

For many casual pot users the extra $15 might easily be absorbed into the varying costs of the average price of weed. An ounce of legal medical marijuana goes for about $350 in Vermont. The new law does not allow for a commercial market for recreational marijuana.

For those still thinking of growing marijuana indoors, here's how to estimate the monthly cost of your potential grow system's energy use.