Amazon has the used, acceptable Breville Smart Oven Air Fryer Pro (Brushed Stainless Steel, BOV900BSS) for $325 - 20% off automatically at checkout = $260 with free shipping. 

Has six independent heating elements, two-speed fan, PID temperature control, and 13 pre-programmed settings: toast nine slices, bagel, broil, bake, roast, warm, pizza, proof, air fry, reheat, cookies, slow cook, and dehydrate.