Man, man, man,
Want to earn money? => Find a Job.
Hey, a gazillion others come with the same idea.
it is always the same.
Building an inventory is doable.
But what about maintaining it up to date????
Selling as a book? => it is obsolete before being printed.
Putting online? => Dozens of websites already.
Forgetting the very-small- tiney comment, that some prefer NOT to be on any list at all.
Wanna make money? Find a Job?
Oh, almost forgot/
Sooner or later some clown that "used" your document willl crash, and put the blaim on you. Good luck with that one.