Like eating without chewing, attempting to repair a broken gadget yourself can lead to feelings of failure and awkward intestinal obstruction surgeries. Today’s Groupon pries the tools from your well-meaning fingertips: for $50, you get $110 worth of tech services including set-up, repair, and fine-tuning of electronics from TangledCord, headquartered on Walker Road. The techsperts at TangledCord fix the ills of down-and-out devices with accuracy and a gentle, knowing touch. Drop off disgruntled machinery at TangledCord’s lab or have a pro come out to your abode for a variety of services such as a computer tune-up ($110–$220) or the repair of uncooperative, angst-ridden Internet connections ($110).