Following the tradition of the past travel tips I've posted, I learned this by experience. When you are booking a rental car, check the price online and then call the local office. See which one will give you a better deal. I saved over $40 this week just by booking online instead of per phone! The representative I spoke with confirmed that generally you will obtain the best rate online, but not always. That's why it's worth it to check it out yourself.
I'm fairly new to renting cars. Do you have any tips?