With the cost of living these days very few people have so much money that they don’t have to worry about looking after every last cent. Whether we need to make a business more profitable or we want to make our next holiday as cheap as possible, it is all the more important now to look out for ways of making our money go further. Well, rental car coupon codes are one way of doing just that. Look around and you will find them; an alphanumeric code that you enter when you are booking your rental car and then a discount is automatically added to the shopping cart.