Hi I want to use a bar code system for my stores , basically ise a a pen scanner or similar to sacn items used , so you can at end od day or immediatley input to pc or hand held device , which will then input tp say excell psresheet sheet items used ect , but haventany experiance in this ffield , budget limited but iv seen these devices on eby quite cheap , but dont know if anyone knows of best /suitable software how to set up ect , many thanks for any info ta