1. A system comprising: a wireless data interface; a digital imager configured to selectively generate image data corresponding to captured images of associated receipts; a touchscreen display; and a processor and associated memory, the processor configured to extract price data from multiple areas of the image data, the processor configured to generate an image of the receipts on the touchscreen display, the processor configured to calculate position data corresponding to a position of the price data on the image, the processor configured to generate highlight at least one portion of the image on the touchscreen display in accordance with the position data, and the processor configured to calculate aggregate cost data corresponding to a sum of the cost data, wherein the touchscreen display is further configured to receive selection data corresponding to at least one user-selected highlighted portion; wherein the processor is further configured to update the cost data in accordance with received selection data; and wherein the touchscreen display is further configured to display the updated cost data.