Now they account for about half his sales.???You can pick up a camera for $39 that you can hook into your consumer VCR and record,?????? Peros said.Simplicity is a key selling point.???There is the ability to take (a camera) home and plug it in and use it immediately,??? said Christina Keeling, owner of APSI Biometrics in downtown Clearwater, which offers such items as doors that open using finger