Cut the Cost of Car Repairs by Replacing Your Tires -- Savings Experiment

Worn tires can lead to major accidents, which is why it's important to replace them as needed. New tires can be costly, though, so here are a few ways to save on the car necessity.

It's ideal to replace your tires as a full set, but that can put a big dent in your budget. According to Edmunds.com, it's ok to replace two at a time, whether it be the front two or rear two tires. Just make sure you get the same size as you already have by a matching or comparable brand.

Avoid sport or high performance tires. They wear out faster and can be more expensive. Unless you're a race car driver, it's better to stick to all-season models instead.

The most important thing is knowing when to replace your tires. Here's a quick trick: Stick a penny upside down between the tire treads. If you can see Lincoln's entire head, you need to replace your tire.

Old tires can cause hydroplaning, slippage in the snow or the inability to stop short. Keep these tire-replacement tips in mind and you'll save yourself some trouble in the long run.