Airport car rentals are great, but you can park your own car at one of the best known and well-managed airport parking facilities in the world. And it's purple. Have you used Purple Parking before? Email me to let me know how things went.
Low cost airport parking - Purple Parking

Budget offers specific discounts for business travelers attending meetings and conventions. It's a nice perk to take back to the office. You're traveling anyhow. When it's for business, check out this program to see how it can save you or your company extra money you may as well use elsewhere.
Rent a car for your next meeting

Have you seen the new Hybrid's? I saw the newest at the Dallas car show this year. Most of them now have accurate miles per gallon descriptions. When renting a car at the airport or on a city car rental, try a hybrid. Hybrid vehicles are now available at Budget.com. Rent now!

It's often worth keeping the car for a week when you may have ordered it for five or six days. Every auto rental company offers specials somehow someway. And almost every special is matched by the other companies. Of course, there are a few different coupons and offers from time-to-time, but throughout the year, they are most always the same. You will either get a time discount or a money discount. Here's a common discount offered by most every car rental company. $25 off weekly rentals.

GPS in-car direction systems? Most car rental companies are offering GPS systems built into their cars. Are they worth the money? Definitely! When you're traveling in a city you don't know well, a GPS is great to have. Emergency Radios