LPT: When ordering a pizza don't just automatically order for 3-4 slices of each topping per pizza

When ordering a pizza and ordering for a large group of people it's easy to automatically order 3-4 slices of each topping per pizza, but this will result in wasted pizza. Not every person will want 4 slices of a topping. Some will only want one. If you order 2 pepperoni pizzas and each pizza has 8 slices of pepperoni that's 16 slices of pepperoni. Not everyone will want 3-4 slices. Order what you will actually need.