[ChuckMcM]

Yes, you can print your own barcodes and name your own price, yes its been done before [1] and you can and will get arrested. As this becomes more widespread the folks in shops will get better with their software.

[1] http://www.nbcbayarea.com/news/local/VP-of-Palo-Altos-SAP-Ar...

[rhizome]

Yeah, that approach goes in the "James O'Keefe Voter Fraud Test" bucket. Yes you can do it, and yes it's easy, and yes it's illegal.