5 simple auto maintenance tasks you can do yourself Auto repairs cost drivers $766 per year on average, but some can be done at home. Driving and maintaining a car can be very expensive. According to a 2015 study by AAA, the average cost to own and operate a car is $8,698 per year. But it's not just gasoline prices that are putting a dent in wallets — the average cost of maintenance is $766.50 per year.So why not save a few bucks and help retain the resale or trade-in value of your car? Regular engine maintenance and tire pressure adjustments can help keep fuel costs down. And while most auto repairs should be left to the experts, here are five that are usually do-it-yourself:Replace your wiper bladesEvery 6-12 months is optimal depending on how often they're used. If they leave streaks, make noise, or are hard and cracked, it may be time to install a fresh set. Visit this WikiHow entry to learn how, and consult your car's user manual for more information about what type of wipers to buy.Fix minor scratches and paint chipsIf they aren't too big, a touch-up paint kit might be a good option. Be sure to follow the instructions to get the best results. Popular Mechanics has detailed instructions on how to fix a car paint scratch.Tire inflation and inspectionTires are your vehicle's contact patch with the ground, and they must be maintained in good condition with proper inflation for the safe and economical operation of your vehicle. Here are a few simple checks you can perform to help keep your tires from letting you down.It's a good idea to visually inspect the tires on your vehicle on a monthly basis at minimum. This inspection should note tread depth (in most states less than 2/32 of tread depth is illegal,) if the tire is unevenly worn (indicating a potential suspension alignment issues,) or if the tire is cracked, damaged, or otherwise deteriorated. If any of these conditions are found, you should consult your local tire professional.For the correct inflation specification, reference the inflation placard. It's usually located in the vehicle's driver's door jamb area of the vehicle or can be found in the vehicles owner's manual.Now that you know the correct inflation specification for the tires on your vehicle, it's time to check the inflation pressure. Inflation should be checked, if possible, in the morning before the car is driven. Tire pressure can change due to many factors, one of which is a change in the ambient air temperature. For every 10 degrees in ambient air temperature change tire pressure can increase (if temperature rises) or decrease (if the temperature falls) by 1 psi.Repair minor windshield chipsSome windshield repairs are covered by insurance. If your windshield has a small chip with minimal to no cracks and you want to fix it yourself, a repair kit may be an option. They generally come with all the materials you need and take about an hour to complete. While it's not possible to fix all chips, you may be able to stop it from growing larger or discoloring in the future. Popular Mechanics discusses the types of damage these kits are recommended for.Wash and wax your carOne of the best ways to maintain your car's exterior is to remove dirt and residue that can damage the finish. It also provides a close-up look at scratches, chips, and dings you may not normally notice.Wash the car with a cleaning solution designed for automotive finishes. Work from the top down and use a microfiber washing mitt. Clean tires with a separate bucket of soap and water so you don't get any grease and grime on the rest of your car.Inspect the paint for any gunk such as bird droppings, tree sap, or pollen. If these contaminants are above the surface, a clay bar designed for car care may help remove them.Dry thoroughly with fresh towels. Soft, absorbent waffle-weave microfiber drying towels are a great option. Apply car wax. There are several varieties, but a liquid or paste wax applied every three months will help protect and maintain your car's exterior.Don't let the rising cost of car maintenance get you down. You don't have to be a car care expert to do simple, money-saving maintenance repairs to your car.