Better to have a short drive if you run into problems. Give me credit. I disagree with Rick on payment. Rick's a cash-purchase guy because he returns to the same vendors show after show. I may never hit a show again, and I want the protection of a credit card backing me up in case of a dispute.
Some merchants even levy a fee for checks, allegedly to offset bad-check charges.
You probably won't be able to jawbone the surcharges or fees away, but try. Now in search of a Living Books Stellaluna storybook CD-ROM for my daughter, we resume our march. Know the current release number of a program so you don't buy a version that's cheap because it's outdated. And make sure any software you get will run on your machine. There's no point in buying a program that needs Windows 95 if your system is running Windows 3.1.