This short 12 step slideshow from Business Insider shows you how to get the best service from the Genius Bar at the Apple Store.

The Genius Bar is the in-store technical service desk at the Apple Store. If your Mac or Apple device is still under warranty, this is a good first stop for dealing with hardware issues.

http://www.businessinsider.com/genius-bar-apple-store-secrets-2012-1?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+businessinsider+(Business+Insider)#be-honest-especially-about-water-damage-1

For all new Macs, you can buy Apple Care (the extended warranty) within the first year. I wouldn’t recommend buying a new Mac unless you buy Apple Care.

For all software or out of warranty issues, I am your go to guy!