How to Create a MAC OS X 10.8 Mountain Lion Install USB Flash Drive
[youtube]http://www.youtube.com/watch?v=Q7YvZxApGmg[/youtube]
It is more than just a little annoying that Apple won’t sell OS X 10.8 Mountain Lion on physical media. Only allowing download via the App store has its limitations for power users or IT shops. The solution is simple… create a MAC OS X 10.8 Mountain Lion Install USB Flash Drive. You can then use the USB drive to install / reinstall OS X as often as you want.