Frequent travelers are often the greatest users of budget car rental as they know the convenience it provides; the convenience of having a car whenever you need to travel should not be underestimated. The problem is finding a company that doesn't rent budget cars, you know, the sort that sound like they should be mowing the lawn. 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. Now that I have you concerned, I am going to give you a few points to look for when arranging a rental car.One way that can help is to use a web site for budget car rental that allows you to set your own upper spending limit. Do not dismiss this type of sites because they want your business and sometimes offer other incentives like unlimited mileage for example. If you are lucky and decide to book a fly-drive deal for instance, then you may find the rental company has upgraded your vehicle but this is less likely if you book with the airline themselves. 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. Some websites even go as far as internet only discounts which can save a great deal of money. 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.Don't forget to ask for any special offers and if they have used  automotive software  if you are making a booking over the phone because if you do not ask, you are less likely to be given a discount and you may even find your credit card company has incentives with particular budget car rental agencies. If you are a member of the military or government, you may be eligible for discounts negotiated with a number of rental companies on your behalf.Most rental cars are low on maintenance so when you rent a car, check all sides for damage. I mean every side and every nook and cranny of that car, make sure to inform the renter of these so that you wont have to pay for damages once you return the car. To ensure you do not end up paying for any problems the car may have, including lights, horn etc. that don't work, it is a good idea to also check these before you drive 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. Although the rental car insurance isn't going to be costly, there is no point in paying out twice if your current auto insurance will cover you; even though it may not seem important, driving without auto insurance can land you in a ton of trouble.So don't think that it isn't an important aspect either because insurance is still required by law.