Not sure where based op, but a pizza counter top oven (5 minutes) is around €80 in Europe since inflation, but can still be found for around €60 in sales. I guess if there are similar ovens and similar prices that would mean if you find yourself getting pics more than 3 times a year from Dominos, then maybe buy one of those (e.g. Arieta 909 or G3ferrari) It would work out cheaper. Make the dough, buy the toppings put them all in the freezer. No smell other than the same smell from cooked pizza.