Air Fryers are more like mini ovens. They don't "fry".
I have one, and use it for smaller snacks.
I cannot recommend the "Woolworths Oven Roasted Southern Style Wing Nibbles" enough for the air fryer. Set to 170, 30 mins, perfecto! I can fit 6 to 7 of them in my Philips air fryer.
Other things I use it for are my own prepped winglets, pies (can possibly fit 2 of the nationals), fries and dimmies
I want to get a bigger one so I can do lasagne and cottage pies without having to use my big oven!