I would hope that this is a staggering waste of money. You should be able to drive, including skip shifting, entirely by ear and feel. It takes only a modicum of experience, especially when you only drive the same power train and don't have to use multiple vehicles, to know your drivetrain well enough that you don't need the tach to shift.
While I had an assigned tractor when I drove OTR, I used a lot of different power units when I did city driving loading out bound trailers on the weekends as a part time job. I drove everthing from 5 speed Macks (roar and rake) to Cum-a-parts with 15 speeds. I'm not the most graceful person in the world, but it was not difficult once I had some experience.
When bobtailing in my CH, I started in 4th or so, and only used 3 gears to get to 9th - it was not much different from what is being described here.
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