I wrote an e-book novel. So far, I have made about $24. I probably spent more than that on the electricity to run Notepad++ and 7-Zip, but OP asked for "reven

I wrote an e-book novel. So far, I have made about $24. I probably spent more than that on the electricity to run Notepad++ and 7-Zip, but OP asked for "revenue-generating", not "profitable". It's not bad writing; I'm just terrible at sales/promotion. I don't really do it for the money, anyway.