Tbh, I tried interfering with it. I found the console to be false and I tried to edit it again and some other things eventually I couldn't re-enter the game because some files were broken. And the games in the game are a random algorithm that's why I can't understand how it works.
Shift + O really didn't work for me because it was set to false by default.
Odd seems you can't enable the console so easily like you normally can in all renpy games, not sure why not. I enabled it like I do always but didn't allow me to open the console even though it was True. (in the 00console.rpy file) But like another said, just use this site ->
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upload your save file there, edit the money variable and then download it. Replace the old save file in the saves folder with the edited one and boom whatever money you want. (of course I'd generally advise you to save like 3 times in the game you choose to do this, that way if you screw up a variable somehow, you have a spare save.)
Edited: Also just do the book sorting job ingame if you want to make money quick and easy. The book sorting literally tells you what category in the book title. (Robots? Okay thats sci-fi, etc..) The rng games I just ignore personally.