OP you seriously need to educate yourself about cars and car service, or you're going to get gouged like this the rest of your life.
Best way to learn - don't ever take your car to a shop for routine maintenance ever again. Spend the money on tools instead and learn to do it yourself. It's really, really simple. Lefty loosey righty tighty is lesson #1 and it gets you 90% of the way there.