Check out websites like Priceline, Hotwire and Expedia that often have great deals. The major online

Make your car reservation as early as you can to get the best deals. Rental rates usually increase dramatically over the holidays and in the summer, so if this is when you need the car, make your booking well ahead of time. Spur of the moment or last minute reservations come at a price.
Online rates tend to be a bit cheaper than telephone or walk-in rates. Most car rental websites offer discounts that can only apply when reserving online. Check as many as you can to compare terms and prices.
Sign up for e-mails that offer special rates and deals on car rental reservations. Many include discounts you can use on your next car rental. Often deals include things like free car rental upgrades and free additional car rental days.
Check out websites like Priceline, Hotwire and Expedia that often have great deals. The major online agencies negotiate with the car rental companies to offer competitive rates. Most of these travel sites add a small commission, so watch out that the final rates are still less than if you book direct with the rental company. airplane tickets discount They do sometimes offer very attractive rates though. You can sometimes find great deals if your rental car is part of a holiday you're planning. Travel companies often offer deals featuring a discounted rate on your rental car if you book your flight and hotel in the same package.
Sometimes the cheapest airplane tickets discount rates are found at the larger car rental agencies. Often companies close to airports and city centres do more business so in these types of locations will have cheaper rates than the smaller, back-street operators.
airplane tickets discount You'll be told the longer you rent for, the better the price per day. Remember the price per day is relative and if you're paying for any optional extras like special equipment, (car seats, airplane tickets discount GPS) you pay extra per day for all of these as well.
Usually the best rates for cars are on the weekends, but for minivans airplane tickets discount or pickups this is when it'll often be much higher. Check what qualifies as a weekend rental. If weekend rates start at noon, you pay much more if you want to pick it up at 10am.
Check your own car insurance to see if it covers rental cars, as this way you can avoid the extra charge. American Express cardholders airplane tickets discount don't need extra collision damage waivers from rental car companies if you pay with the Amex card, as then you are automatically covered and should only take liability coverage. Check your credit card for similar coverage, as this can make the total amount you pay a lot cheaper. Whatever you do, make sure you have car hire insurance protection from somebody!
If you go back to the same car rental agency, if possible, let them know this when you go back again to make a reservation. Many companies offer discounts to encourage customer loyalty but don't always advertise this. Let them know that you're a loyal and frequent customer and maybe join one or more of the rental car loyalty schemes which can earn you free days, points or miles.
When you see a great rate for the car you want – RESERVE IT STRAIGHT AWAY! It may not be available later. Check the vehicle's cancellation or no show policy in case you'll get penalised for changing or cancelling later, but going back to the first point, the early bird gets its worm!
The internet is a powerful tool and can save a lot of leg-work in finding great car rental deals. Shopping around online is easy and provided you take care to follow some of the tips here, can have you quids in at a click of the mouse!