All your grass and anything you plant where the millings have runoff rain water will die. It's a less expensive option but really should be only used in commercial areas. And not good for well water. I've been there done this. Looks good, though. Milling the most polluted thing you can have in your driveway. Think of all the cars leaking that drove on it , trucks, garbage trucks leaking.
DId you ever get those tracks properly tensioned? loose tracks will kill the life of the undercarraige. need about 1 inch of sag from the idler to the rear sprocket.
