Time for some trolling. xD
Definitely doing that for Harry Potter books lol, fuck that author (she who shall not be named).
Best let them come up with the idea, then you publish it the next day, and watch the author’s reaction:
“Someone has already published a book on the same idea? Nooo wayyy!”
[Insert “U Mad Bro” Trollface Meme]
I would travel the US and buy one winning ticket for a small jackpot from each state I visit. Then I’d donate it all to a gambling addiction recovery charity. Or an advertising smear campaign against playing the lotto.