It depends entirely on the brand. Sometimes it's cheaper to buy a new razor and sometimes its cheaper to buy replaceable. If you have gillete, buy a new one.
It may be cheaper to just buy a new one. Or if you a knowledgeable about replacing parts and taking controllers to pieces, you could buy the park which need replacing and fix it yourself.
That depends entirely on what part of the toy is broken,and what material it is. It's possible to fix many plastic parts by gluing them, and other parts by replacing. You have to put your mind to thinking about the problem logically.
It's most likely either the switch or the motor that is bad. The switch is cheaper... See if a service center at a dealership can hook up an OBD computer to your car to test the switch. If not, you have to start replacing parts and see which is bad. See if a salvage yard near you has these parts - it will save you a lot of cash.
Check at a local salvage yard for these parts. Way cheaper than a dealer.
To repair a cabinet door, you can try tightening the screws, adjusting the hinges, or replacing damaged parts. If the door is severely damaged, you may need to replace it entirely.
It's cheaper to get a built bike as long as you like it right out of the box and don't change any of the parts. There's a catch: As soon as you start replacing parts to suit you better (longer cranks, longer stem, more comfy seat, etc.) you could end up paying more than if you buy a frame and put only the parts YOU want on it from the very beginning.
The armourer.
when the parts car is cheaper than the parts you need.
Exchanging an electric scooter into a gas-powered scooter generally involves replacing the whole of the engine to a gas-powered engine. The only exception is a gas-powered fuel cell, which maintains the scooter's electric usage, but uses a fuel cell to generate the electricity.
Electric motor parts are pieces of electric motors. Some examples of electric motor parts are: bearings, carbon brushes, gasket materials, pumps, soft starters, and terminal boxes.
Cheaper. To be able to repair an item without making a new one is always cheaper.
To put a basic piezo bridge pickup and jack in an acoustic guitar will cost you - parts and labor - about $125 and up. It's cheaper to do it yourself, but I DO NOT recommend that.