On the first sale through CL, we met at McDonald's, and there were 4 police sitting down right there. Lots of cameras too.
I put the keyboard on a table by an outlet, and demoed the keyboard at a low volume.
I agree that sales tax isn't Ebay's fault, but they own PayPal, and overcharge for fees.
I live in a big metro area, and I ain't using Ebay for anything over $100.