Let's say you really are this person, and your side of the story is 100% true.

omg you frigging santorum squirt. If there was only one reason that you are douche backwash it's #4. One person pissed you off, so you take it out on the customer.

You pay for the pizza, you pay EXTRA for the delivery. If you don't want to pay for the delivery drivers time and resources then GO PICK IT UP YOURSELF!

I recall I used to work at a rock and roll venue in Midtown Manhattan. Often, a band would make a request for a specific piece of gear which they didn't have and we'd go to rent it. $8 cab ride over and $8 back.