The kitchen served much different functionalities around. For this reason, it will be best to make regular check on every part. You can list the spot that naturally get the problem quicker than the rest.
You will also need to put the tool quality into consideration. It will be common to have broken part on low quality tools.
Along with the stove, the water system will be the next important part. You will realize the importance of kitchen faucet once the old faucet shows different sign of problem. Leaking faucet will add your water bill gradually. It will also draw mold presence in long term.
Before things out of hand, learning how to replace a kitchen faucet will not hurt you. If you want to replace the kitchen faucet on your own, it will be best to note down the faucet specs. Different faucet model may support limited pipeline system.
It is also worth to check the type of damage that appears on the old faucet. Any design flaw will be a real warning not to buy the same model type at the same type. It is also worth to note the material quality. If the metal part is not quite thick, it will have the risk for bending or dented part.
This will only make the faucet has low durability. At certain case, you may only need to know how to replace a kitchen faucet handle. Replacing the handle will be an easy part when you already have the same handle part.
Bringing along the old kitchen faucet may not necessary for most situation. But if you want to make sure that you get the right one, bring it along will be quite helpful. It is common to find that the old model may not available. For this situation, it will be better to pick the faucet that technically fit in with your kitchen free spot.