> I can still make a book like that in my basement. People do this as a hobby now. You can still build chips like that in your garage. People do this as a hobby now.

You can absolutely manufacture a convincingly-professional, current-generation book in your basement with a practically-small capital investment.

You cannot manufacture a convincingly-professional chip (being generous: feature size and process technology from the last two decades) in your basement without a 6-7 figure capital expenditure, and even then - good luck.