Replacing a vehicle vs repairing it is strictly the choice of the vehicle owner. If your vehicle is repairable by insurance company standards, you will be paid for the repair, not replacement/total loss.
Broken electronics are often easier to get replaced than repaired.
Repairing a LED light bulb is not recommended as they are designed to be replaced rather than repaired. If the LED light bulb is not working, it is best to replace it with a new one.
The pads are usually replaced when worn out, rather than replaced.
Typically, they would be replaced rather than being repaired. I agree. You may be able to patch together a wire-cored lead sufficiently to get you home, but not a carbon-cored lead, and the proper answer is replace with new.
Yes, a tree on a saddle can be repaired if broken. The extent of the damage will determine the repair process; some repairs may involve replacing the tree entirely. It is recommended to consult a professional saddle fitter or repair specialist for evaluation and repair.
Things are usually made in a factory. They are usually repaired in a workshop. Or they can be made and repaired on the same premises. A large manufacturing factory may have a set of workshops just for repairing faulty goods returned by customers.
slipping or noisy belt
rather than procrastinate, just do it.
Field Replaceable units, Chinese components (they cheaper to replace than repair).
Some carpet can be repaired easier than others. Most can have a section replaced if you have some of the same carpet or perhaps a piece could be taken from a closet or from under a piece of furniture.
It can typically be more expensive to repair a washer than it is to buy a new one. It depends on the part being replaced.
Field Replaceable units, Chinese components (they cheaper to replace than repair).