Marilyn's TV suddenly stopped working. Is it worth repairing or should she just buy a new one? Leo says that these days, LCD TVs are simply not worth repairing. Even if it's a simple fix, the cost of repairing it with parts, she can buy one that is larger and 4K. Then there's the fact that the TV repairman is a lost art nowadays. So get a new one. Best Buy has a HiSense 70" 4K HDR TV on sale right now for $400.