The fastest way to prematurely wear out your tyres is if you drive them when the front wheels are misaligned. Imagine that one front tyre is facing in one direction and the other is facing in a different direction. You are literally dragging one or both of the tyres down the road ripping rubber off your expensive tyres. Even if the wheel is only out of alignment by a few degrees, excess wear is damaging the tyre and dramatically reducing its life.
Brushing up against curbs or simply front suspension and steering wear can cause your wheels to go out of alignment.
A regular wheel alignment check could double the life of your tyres and keep the driving and braking straight on the road.