You change tires when they are worn out, not at a set mileage.
Some say to change your auto tires every 5000 miles. Other people just check the tread on their tires and when the tread looks worn, they switch their tires.
In my opinion tires should be rotated every 3k miles along with oil change and filter change. Tons of people agree and I have always done this on all my vehicles
Flat tires is a sign of physical change. The tires go from being normal, to then being flat. This changes their physical form.
The rim size must match the tires unless you also change the rims to match the tires.
How to Change the Tires on Self-Propelled lawn Mower
Fragmented question?? If you have under 3/32nd's remaining on your tires replace them. If you have wires hanging out of your tires replace them. Replace tires as needed or rather replace all at once if you do not like mis-matched tires. However many people will replace just two tires at a time then rotate when the other two need replacement.
if your shocks are bad change them first. Other wise it can mess up your new tires.
It is recommended to have 4 matching tires.
Different tread patterns make completely different sounds against the pavement. People notice this most when getting a new set of tires. They are used to the sound of their old tires against the pavement, and only notice them when there is a change in the sound - like new tires.
Yes only if you change all 4 tires !
if the car is badly damaged then you have to change the tires but if it is in good condition then they will do it for you and you will only have to pay half the price