I’ve noticed this with the places around here that sell 18" pizzas. They are all severely under priced for the size. I don’t think it’s possible to correctly price them and not give sticker shock. Most customers perusing a menu are not doing the math in their head that an 18" is 66% larger than a 14".Originally we though of using 14 and 18, but the darn cheese and premium toppings were crazy expensive for the price point we were thinking about on the 18.