CHIYOU via Amazon offers the Wancle Electric Coffee Grinder for $29.99. Coupon code "TJO2DVJF" cuts it to $20.99. With free shipping, that's $9 off and the lowest price we could find. It has a 3-level protection system and can grind up to six cups of coffee at one time. It can also be used to grind pepper. Deal ends September 30.