Some of these things need to be done at some point - buy a Haynes manual and a socket and ratchet set and do them yourself. Brake pads and the ignition system are easy enough. Ditto for an oil change.
It may take you a little longer but you'll get a better idea of how things on your car work. And that's invaluable information - it makes troubleshooting worlds easier. Not to mention you'll most definitely do a better job than those clowns down at the tire shop.