Coolwoo via Amazon offers the Etemproof Instant-Read Food Thermometer in Blue or Green for $19.99. Coupon code "5HZ3382M" cuts it to $9. Plus, Prime members bag free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.10.) That's $12 off list and tied with last week's mention as the lowest total price we could find. It features a temperature readout time of three to four seconds and can display in either Celsius or Fahrenheit. Deal ends December 22.