Having both an air fryer and a toaster oven is a normal thing for any kitchen ... You can control the temperature, but you're limited to a single cooking function -- there's no broiling, for ...
But the choice of whether to roast versus bake a certain item of food often comes down to one simple thing: temperature. When you use your oven to cook (as opposed to a stovetop, grill ...
I purchased a double wall oven in 2022 from Lowe's. It was cleaned as directed. By 10 months the ceramic coating was literally coming off on the tracks for racks and on the bottom of the oven.