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Michael says eating vegetables you grow yourself is the "single greenest thing you can do" and can save money as well. "An investment of $60 can save you $200 in fresh produce," he says.

Gardening can break your kids' love of junk food too. "You will find your kids eating vegetables from your garden that they would not eat any other way," Michael says. "How my son discovered vegetables was from growing them in the garden."

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