It’s been asked of every new mechanic for more than a century. Does it matter in 2025?

Help your customers prioritize their repairs and they’ll keep coming back.
Parts on cars are interconnected—and their problems often are as well.
Decreased emissions and other benefits do come with increased valve maintenance costs.
Other than the obvious roles, there are other really, really good reasons you should have a welder in the shop.
It looks and sounds like a semi-precious stone, but it’s not. Fordite is a cool byproduct of the car manufacturing process.
If gas vehicles are outlawed, will only outlaws have gas-powered vehicles?
A hole in your vehicle’s roof, no matter what you call it, is a great way to introduce new problems and complexities to the automobile.
DRLs can have the strange, unintended effect of hurting visibility overall.
If you’re using needle-nose pliers like I did for years, there’s a better way.
The in-dash cup holder on certain late ’90s to early 2000s F-150s, Expeditions and Navigators tends to break, but it’s easy to repair.
Not every Phillips head fastener is a Phillips head fastener. If you don’t know about Japanese Industrial Standard, now you’ll know.
Beam-types have a few advantages that keep them relevant. If your arsenal doesn’t include one, you might want to think about acquiring one.