a little thicker skin will help you, Ike. He's an Aussie... that means he may be right, but he'll tell you the wrong way.

Seriouly, though.
Everyone starts somewhere, and a tuneup is a basic means of maintenance that you can do. There are AMPLE how-tos for the duratec (look under Duratec Maintenance in the FAQ pinned at the top)
ALL of which are doable at home.
Ray