How to have a key made

if it doesn't have a chip in it you can go to the hardware store and get one. If it has a chip you may need to go to the dealer. there are places that can get you a chipped key made, they are spendy though.

You need a working key to program additional Keys ... if you lost all your keys then some locksmiths can help but anywhere you go it's going to be expensive, A Locksmith will probably be about 1/2 the cost of a dealer

How much for a key made for a chevy calverlier it do not have a chip the car is a 1995 tilt steering wheel

No it do have a chip