Scan receipts, a review of the topic
Not only that, but if you have a lot of contacts you can scan their business cards and keep them together. Probably the main benefit you will get from using a portable scanner is the fact that it will prevent human errors in copying. You will know for certain that the copy you have is correct if you use a portable scanner. A decent portable scanner will run you around $150. If it costs much more than that it will have a lot more features to use.