Training with Able Skills could soon pay off, as home owners look set to be choosier when picking tradesmen to carry out home improvements now that a consumer watchdog's said it's worth hiring skilled tradesmen over cheap labour.In fact, experts have encouraged home owners to opt for tradesmen who can prove they are fully trained and approved after finding that 2.5 million people have had bother with "cowboy builders" over the past three years.The consumer watchdog Which? recently warned home owners away from hiring contractors with low prices and few qualifications, after finding that millions of people have been left out of pocket after taking on rogue traders instead of properly qualified tradesmen and decorators.Which? said dodgy dealers are a widespread problem, with 40 per cent of homeowners losing ?