If your new car has an immobilizer in the ignition, you will have to use the chip from the key. This is an anti-theft device designed to prevent the car from starting unless you have the original key or a copy from the dealer.
When I had a replacement key made for my 2001 VW Passat, the dealership told me that it would cost approximately $300 to cut a new key and program the chip.
If you get someone to cut a new key for you, it is very likely that you will not be able to start your car with it if you do not have the chip.
I suggest you google immobilizer and the model and year of your car to get a better idea if this is an issue for you. Even better, call your dealership service department and ask them.
FYI: If you do have an immobilizer in your car, you should qualify for a discount on your comprehensive insurance.
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When I had a replacement key made for my 2001 VW Passat, the dealership told me that it would cost approximately $300 to cut a new key and program the chip.
If you get someone to cut a new key for you, it is very likely that you will not be able to start your car with it if you do not have the chip.
I suggest you google immobilizer and the model and year of your car to get a better idea if this is an issue for you. Even better, call your dealership service department and ask them.
FYI: If you do have an immobilizer in your car, you should qualify for a discount on your comprehensive insurance.