That sounds like a good approach. I guess you could just a smartphone app to avoid buying a scanner e.g. https://play.google.com/store/apps/details?id=com.gamma

That sounds like a good approach. I guess you could just a smartphone app to avoid buying a scanner e.g. https://play.google.com/store/apps/details?id=com.gamma.scan&hl=en_GB&gl=US https://play.google.com/store/apps/details?id=com.gamma.scan... I guess the experience might be smoother with a dedicated scanner though.