JohnRoy - 6:56 am on Feb 25, 2011 (gmt 0)
On the other hand...
When your car breaks down, who would you rather be, the guy who stands there looking under the hood, scratching his head, reaching for his wallet and not knowing what he's paying for, or the guy that identifies that the distributor cap wire came loose, reconnects it, and is on his merry way?
When your car breaks down, who would you rather be, the guy who stays home trying to figure out how to fix it and do it without the right tools, or the guy around the corner who can get you back on your way in a breeze?
Yes - know some code; know a little about what is going on - but don't become a mechanic yourself.