Here's page 5 of my 24 Hour Comic in which I discuss how to balance you comic convention budget. I usually blow ALL OF MY CASH at the conventions, but this year, I actually came home with money. I really did buy this stuff pictured here.
Re: the Peanuts joke. Note that I not only drew myself in Schulz's style, but I also used the Schulz font which mimics his handwriting. Friends and regular readers of my blog know that I'm a Charles Schulz fanatic.