The team have a company charging through the nose for unnecessary work on rooftop aerials in their sights. Daredevil Betty, who took up wing walking at the age of 86, acts as the undercover reporter.
Scammers keep lists of the names of over-60s who have fallen for scams in the past, seeing them as prime targets for more conmen. Dame Esther uncovers some horrific cases.
This week an industry at the heart of what makes us feel safe in our homes is investigated - but it is an unregulated industry and anyone can call themselves a locksmith.
Esther hears from people who have been conned by salesmen offering pointless roofing products, and goes after a builder from Essex who has left a string of unhappy customers with leaky roofs.