Frustrations with everyday gadgets and services are under investigation as the team meet a group of neighbours who've discovered they've been paying too much for their water for decades. So why can't they get all their money back? Also, how one of Britain's best-selling phones can have unexpected charges for sending increasingly common images, and why locals in one town are in uproar over a car park where even if you've bought a ticket you may still be a hit with a penalty charge. Plus the homeowners who say mortgage lenders have made their homes unsellable.