Holiday car hire: how to avoid the add-ons that can double your bill

From saying ‘no’ to satnavs and child seats, to checking the vehicle thoroughly, there are ways to avoid unnecessary costs and stressGreece and Portugal are the priciest places to hire a car this summer, while Florida is the cheapest, according to a survey of holiday hotspots. Research also revealed just how much the various add-ons – from child seats and satnavs to the rental firm’s own excess insurance – can add up. It found that in some cases they can easily doub