HOUSEHOLDS are being warned about an easy insurance mistake which could add £100s to their bills.
Motorists are being throttled by huge 40% interest charges when paying for their insurance monthly, according to new research by Which?.
Home insurers also charge a whopping 35% APR on monthly payments, the consumer ground found.
The rates are similar to the amount charged by credit cards, piling extra pressure onto households as insurance costs soar.
Customers...