The Self-Sufficient Backyard is backed by a 100% money back guarantee, 90 full days from your original purchase. If you’re not totally and completely satisfied with the product, your results or your experience in the first 90 days simply let us know by calling our toll free number or dropping us an email and we’ll give you a full refund within 48 hours of the product being returned. That’s right, simply return the product, even empty bottles, anytime within 90 days of your purchase and you’ll receive a full, no questions asked refund (less shipping and handling).