This information is pure gold to someone trying to manufacture their first products. It's the kind of thing that's not in books, companies learned the hard way,

This information is pure gold to someone trying to manufacture their first products. It's the kind of thing that's not in books, companies learned the hard way, and engineers learned from on-the-job experience at said companies. Also, Dave Jones http://www.eevblog.com/ http://www.eevblog.com/ has a good video series https://www.youtube.com/user/eevblog https://www.youtube.com/user/eevblog that includes things like part selection, tolerance, and PCB design for manufacturing.