Cooking with an air fryer is quick and energy-efficient, and you can buy one without spending too much to save money in the long run. The Keplin 9L Dual Zone Air Fryer has been slashed from £59.99 to £46.02 on Amazon now. Keplin 9L Dual Zone Air Fryer,£46.02 (was £59.99) With the large 9L capacity,...