Nice try. Unfortunately, I know what quantity are needed for discounts, and I've sat on the Release Board for stuff that did it. So no assumptions here. Just experience. Later I had to decide how much of an end of life last purchase run of hardware components to buy for long term support.
You? Shipped anything in quantity in tech?
Product Support Engineering, three drink minimum, no cover charge.
Guess what my first job playing Linux guy included? Murder Boards for products that had to be done fast and cheap and always work, and part of that analysis was hanging out with the company lawyers for a few lovely days In a conference room to set the company's open-source use and licensing policies.
(Ah Murder Boards. Do miss those.)
So, there's still a difference between making stuff up, and knowing what you're talking about. Sorry, but it sounds like you're playing catch up.
The guy slapping together some commodity hardware for people in his basement -- isn't a pimple on the butt of the authors in this case.
He might make a 20% margin on $100 in revenue per unit and about 100 units if he's lucky. That's not a tech business. That's a hobby. After taxes, he'll be in the hole. Think about it.
Thank Xerox for your mouse while you're all huffy about people stealing things.
For reference purposes on OS'es, you might enjoy this song... The Xerox thing reminded me of it. Heh.