Cost of Convenience

Source:
https://www.google.com.au/search?q=convenience&biw=1303&bih=908&source=lnms&tbm=isch&sa=X&ei=ezVJVcr8COfEmwW-hIDAAw&ved=0CAcQ_AUoAg#imgrc=O1mvJw7sXCnHuM%253A%3B2gPGCHoAWes-4M%3Bhttp%253A%252F%252Fblog.ldiagent.com%252Fwp-uploads%252F%252F2012%252F11%252FConvenienceRoadSign.jpg%3Bhttp%253A%252F%252Fblog.ldiagent.com%252Fwhat-is-the-value-of-convenience%252F%3B500%3B352