First its important to check online about the Car rentals where you want to travel because different destination has different rent. So its good to know car rental first to save money.
Organizations that provide car to hire the services of have various different designs of vehicles and cars available to their clients. There are usually several different offers, based upon a person desires, you should hire it.
Some time happen this when you going travel to any other place or country we don't know about car rental. Some time unknown person will cheat so first you have to contact your relative or friends if you don't have then you just contect only government registered guide or taxes.
There are many companies that offer discounts if you hold a particular credit card or if you are a member of a frequent flier program. At times, you get good special discount prices for booking made using a particular credit card.
According to me car rental is the best service for all traveller. Some time this happens when you travel to go anywhere or another country don't know about car rental.