hello! i'm a 37 years old guy from germany and testing products in my free time. why should offe me a coupon for your products: - i will post a feedback after i received and tested the product which you offer me. - ich will publish a video about the product on youtube, if the price and product good. check my youtube channel !!! i know it is not easy to be successful seller on amazon, so you can count on me. i will support you as good as i can. i wish you much success and will help you as best i can.