The cost of ownership is up front and visible; the cost of access is back-dated and hidden.
I need to print this and stick it where I will see it all the time until I have internalised it.
Sensible, practical advice, it seems to me.
Very thorough guide that covers both how and why you might want to do this. Most interesting, it links to a Python script for adding a Table of Contents to a PDF, which would be very handy indeed.
But shouldn't it be "digitising"?
This is how you do this sort of thing.