Frequent travelers are often the greatest users of budget car rental as they know the convenience it provides; getting around by taxi is ok, providing you don't mind waiting or the expensive fares! The one thing you don't want though is to be lumbered with a car that sounds like your lawnmower. Well maybe not that bad, but sometimes, well most of the time, the people that assist you in car rentals just doesn't have your best interest in mind, so you end up paying a truckload of money for a pool of frustrations. To avoid this here are a few tips to get the budget, out of your rental car.The first easy option is to be in control of what you spend by finding a budget car rental company online that lets you set your own financial limit. Do not dismiss this type of sites because they want your business and sometimes offer other incentives like unlimited mileage for example. It is not unusual to find that package deals that incorporate a flight and rental car, provide other incentives such as a vehicle upgrade for instance although this is rarely the case if you book with one of the airlines directly. Most people landing at an airport rush off to the car rental counters not realizing that these are not the most cost efficient places to rent a car and it is the same for their online business as well.There are bargains to be found on the internet and that also means budget car rental as well. In fact many car rental web sites will only give a discount if you book online with them. Aside from that you can easily get upgrades and depending on the season, at least one rental company is bound to have a special offer that can help you save money. Another thing to consider is the ease with which you can rent a car without leaving the comfort of your house.Discounts are often available that you don't realize; they are those that have been arranged between the budget car rental company and your credit card company so it is worth checking as you can save even more money. Many car rental companies have arranged special deals with large organizations to ensure they have more business, perhaps you are a member of one of these.Another tip is to check you rental car carefully and let the company know of any damage you find before you drive away. For you own peace of mind and financial well-being, check out all the vehicles controls and make sure everything that is fitted works so you won't have to pay for something that was faulty when you drove it away .Now we pass the subject of protection because sometimes your own car policy will cover the rental car insurance required. Check this out before you take out any additional cover from the rental firm. Saving money is the game so why pay for rental car insurance you don't need when renting your car; whatever the situation, insurance is always required when you rent a car.It may not seem important but driving without auto insurance can land you in a great deal of trouble.