There are a million little ways retailers can screw you on what you buy. But maybe nowhere is this more common than in the world of high-tech gadgets. 5 Ways Hi-Tech Retailers Are Secretly Screwing You article gives examples how high tech opens up whole new realms of screwing the customer. Examples of this can be found on printer inks, premium HDMI cables, warranties and “optimization”. Many electronics and electronics shops have a notoriously narrow profit margin, so all of the shady stuff is just helping them trying to stay afloat. On-line retailers have pushed down the consumer electronics products margins a lot from what the used to be.