Timing belt failure can be one of the worst things that can happen to your car. Usually, they will wear out within 3-5 years, depending on the conditions and whether of your local environment.
Also, timing belt replacement can be pretty costly, last time mine cost around $2000, mostly because they might have to dig into your car a bit.
For those of you who have some good knowledge of auto repair, you might want to learn to change your car’s timer (and water pump).
And to those newbies who don’t know nothing about cars, I would say to stay far away