Here are some green cleaning product coupons. With coupons and sales, you really can get these to be even cheaper than their chemical ridden counterparts. And it's something you can stock up on because they have a long shelf life and you'll definitely use it at some point. It's a win win all around.
I can't get a direct link for the 7th Generation, so Go HERE to clip this coupon and use 30303 for your zip code.